140557137 has 24 divisors (see below), whose sum is σ = 219306816. Its totient is φ = 79839648.

The previous prime is 140557129. The next prime is 140557141. The reversal of 140557137 is 731755041.

It is not a de Polignac number, because 140557137 - 2³ = 140557129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140557098 and 140557107.

It is not an unprimeable number, because it can be changed into a prime (140557127) 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, 22668 + ... + 28194.

It is an arithmetic number, because the mean of its divisors is an integer number (9137784).

Almost surely, 2^140557137 is an apocalyptic number.

It is an amenable number.

140557137 is a deficient number, since it is larger than the sum of its proper divisors (78749679).

140557137 is a wasteful number, since it uses less digits than its factorization.

140557137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5717 (or 5710 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 33.

The square root of 140557137 is about 11855.6795250209. The cubic root of 140557137 is about 519.9372915012.

The spelling of 140557137 in words is "one hundred forty million, five hundred fifty-seven thousand, one hundred thirty-seven".