140057307 has 24 divisors (see below), whose sum is σ = 218317008. Its totient is φ = 86011200.

The previous prime is 140057293. The next prime is 140057363. The reversal of 140057307 is 703750041.

140057307 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 140057307 - 2⁷ = 140057179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140057377) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76432 + ... + 78242.

It is an arithmetic number, because the mean of its divisors is an integer number (9096542).

Almost surely, 2^140057307 is an apocalyptic number.

140057307 is a deficient number, since it is larger than the sum of its proper divisors (78259701).

140057307 is a wasteful number, since it uses less digits than its factorization.

140057307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2491 (or 2488 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 140057307 is about 11834.5809811755. The cubic root of 140057307 is about 519.3202496297.

It can be divided in two parts, 14005 and 7307, that added together give a palindrome (21312).

The spelling of 140057307 in words is "one hundred forty million, fifty-seven thousand, three hundred seven".