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140131043 = 1313977549
BaseRepresentation
bin10000101101000…
…11101011100011
3100202200101122122
420112203223203
5241333143133
621523254455
73321044213
oct1026435343
9322611578
10140131043
1172111588
123ab1a42b
1323054ba0
141487a243
15c480498
hex85a3ae3

140131043 has 8 divisors (see below), whose sum is σ = 151998000. Its totient is φ = 128419488.

The previous prime is 140131037. The next prime is 140131063. The reversal of 140131043 is 340131041.

140131043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140131043 - 24 = 140131027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140131063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36968 + ... + 40581.

It is an arithmetic number, because the mean of its divisors is an integer number (18999750).

Almost surely, 2140131043 is an apocalyptic number.

140131043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

140131043 is a deficient number, since it is larger than the sum of its proper divisors (11866957).

140131043 is a wasteful number, since it uses less digits than its factorization.

140131043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77701.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 140131043 is about 11837.6958484327. The cubic root of 140131043 is about 519.4113691882.

Adding to 140131043 its reverse (340131041), we get a palindrome (480262084).

The spelling of 140131043 in words is "one hundred forty million, one hundred thirty-one thousand, forty-three".

Divisors: 1 13 139 1807 77549 1008137 10779311 140131043