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140966936 = 231121071361
BaseRepresentation
bin10000110011011…
…11110000011000
3100211020212021122
420121233300120
5242041420221
621553224412
73331125215
oct1031576030
9324225248
10140966936
1172632600
123b262108
13232884b6
1414a16b0c
15c597eab
hex866fc18

140966936 has 48 divisors (see below), whose sum is σ = 293456520. Its totient is φ = 63430400.

The previous prime is 140966927. The next prime is 140966939. The reversal of 140966936 is 639669041.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140966939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102896 + ... + 104256.

Almost surely, 2140966936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140966936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146728260).

140966936 is an abundant number, since it is smaller than the sum of its proper divisors (152489584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140966936 is a wasteful number, since it uses less digits than its factorization.

140966936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496 (or 1481 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 140966936 is about 11872.9497598533. The cubic root of 140966936 is about 520.4420993697.

The spelling of 140966936 in words is "one hundred forty million, nine hundred sixty-six thousand, nine hundred thirty-six".

Divisors: 1 2 4 8 11 22 44 88 107 121 214 242 428 484 856 968 1177 1361 2354 2722 4708 5444 9416 10888 12947 14971 25894 29942 51788 59884 103576 119768 145627 164681 291254 329362 582508 658724 1165016 1317448 1601897 3203794 6407588 12815176 17620867 35241734 70483468 140966936