140057508 has 48 divisors (see below), whose sum is σ = 334768896. Its totient is φ = 45561600.

The previous prime is 140057461. The next prime is 140057573. The reversal of 140057508 is 805750041.

140057508 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×140057508² = 39232211094340128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87685 + ... + 89267.

It is an arithmetic number, because the mean of its divisors is an integer number (6974352).

Almost surely, 2^140057508 is an apocalyptic number.

It is an amenable number.

140057508 is an abundant number, since it is smaller than the sum of its proper divisors (194711388).

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

140057508 is a wasteful number, since it uses less digits than its factorization.

140057508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1764 (or 1762 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 140057508 is about 11834.5894732348. The cubic root of 140057508 is about 519.3204980597.

The spelling of 140057508 in words is "one hundred forty million, fifty-seven thousand, five hundred eight".