42537136 has 20 divisors (see below), whose sum is σ = 82528200. Its totient is φ = 21239552.

The previous prime is 42537107. The next prime is 42537137. The reversal of 42537136 is 63173524.

It is a junction number, because it is equal to n+sod(n) for n = 42537098 and 42537107.

It is not an unprimeable number, because it can be changed into a prime (42537137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15000 + ... + 17608.

It is an arithmetic number, because the mean of its divisors is an integer number (4126410).

Almost surely, 2^42537136 is an apocalyptic number.

It is an amenable number.

42537136 is a deficient number, since it is larger than the sum of its proper divisors (39991064).

42537136 is a wasteful number, since it uses less digits than its factorization.

42537136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3636 (or 3630 counting only the distinct ones).

The product of its digits is 15120, while the sum is 31.

The square root of 42537136 is about 6522.0499844757. The cubic root of 42537136 is about 349.0782166379.

The spelling of 42537136 in words is "forty-two million, five hundred thirty-seven thousand, one hundred thirty-six".