40570137 has 12 divisors (see below), whose sum is σ = 61149504. Its totient is φ = 25870680.

The previous prime is 40570129. The next prime is 40570141. The reversal of 40570137 is 73107504.

It is not a de Polignac number, because 40570137 - 2³ = 40570129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40570137.

It is not an unprimeable number, because it can be changed into a prime (40570147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97789 + ... + 98202.

It is an arithmetic number, because the mean of its divisors is an integer number (5095792).

Almost surely, 2^40570137 is an apocalyptic number.

It is an amenable number.

40570137 is a deficient number, since it is larger than the sum of its proper divisors (20579367).

40570137 is a wasteful number, since it uses less digits than its factorization.

40570137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196020 (or 196017 counting only the distinct ones).

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

The square root of 40570137 is about 6369.4691301552. The cubic root of 40570137 is about 343.6123975093.

The spelling of 40570137 in words is "forty million, five hundred seventy thousand, one hundred thirty-seven".