140057320 has 32 divisors (see below), whose sum is σ = 339370920. Its totient is φ = 51713280.

The previous prime is 140057293. The next prime is 140057363. The reversal of 140057320 is 23750041.

It can be written as a sum of positive squares in 4 ways, for example, as 95140516 + 44916804 = 9754^2 + 6702^2 .

It is a junction number, because it is equal to n+sod(n) for n = 140057291 and 140057300.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134151 + ... + 135190.

Almost surely, 2^140057320 is an apocalyptic number.

140057320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140057320 is an abundant number, since it is smaller than the sum of its proper divisors (199313600).

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

140057320 is a wasteful number, since it uses less digits than its factorization.

140057320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269365 (or 269361 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 140057320 is about 11834.5815304133. The cubic root of 140057320 is about 519.3202656973.

The spelling of 140057320 in words is "one hundred forty million, fifty-seven thousand, three hundred twenty".