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140771354 = 270385677
BaseRepresentation
bin10000110010000…
…00000000011010
3100210212220222212
420121000000122
5242014140404
621545115122
73326352053
oct1031000032
9323786885
10140771354
1172509669
123b188aa2
132321a479
14149a572a
15c55a06e
hex864001a

140771354 has 4 divisors (see below), whose sum is σ = 211157034. Its totient is φ = 70385676.

The previous prime is 140771333. The next prime is 140771359. The reversal of 140771354 is 453177041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 138886225 + 1885129 = 11785^2 + 1373^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 140771354.

It is not an unprimeable number, because it can be changed into a prime (140771359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35192837 + ... + 35192840.

Almost surely, 2140771354 is an apocalyptic number.

140771354 is a deficient number, since it is larger than the sum of its proper divisors (70385680).

140771354 is an equidigital number, since it uses as much as digits as its factorization.

140771354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70385679.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 140771354 is about 11864.7104473729. The cubic root of 140771354 is about 520.2012953414.

The spelling of 140771354 in words is "one hundred forty million, seven hundred seventy-one thousand, three hundred fifty-four".

Divisors: 1 2 70385677 140771354