140357439 has 6 divisors (see below), whose sum is σ = 202738536. Its totient is φ = 93571620.

The previous prime is 140357417. The next prime is 140357453. The reversal of 140357439 is 934753041.

It is not a de Polignac number, because 140357439 - 2⁵ = 140357407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140357489) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7797627 + ... + 7797644.

It is an arithmetic number, because the mean of its divisors is an integer number (33789756).

Almost surely, 2^140357439 is an apocalyptic number.

140357439 is a deficient number, since it is larger than the sum of its proper divisors (62381097).

140357439 is a wasteful number, since it uses less digits than its factorization.

140357439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15595277 (or 15595274 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 140357439 is about 11847.2544920754. The cubic root of 140357439 is about 519.6909393746.

The spelling of 140357439 in words is "one hundred forty million, three hundred fifty-seven thousand, four hundred thirty-nine".