42902136 has 96 divisors (see below), whose sum is σ = 124815600. Its totient is φ = 13789440.

The previous prime is 42902099. The next prime is 42902137. The reversal of 42902136 is 63120924.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42902137) 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, 55996 + ... + 56756.

Almost surely, 2^42902136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42902136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62407800).

42902136 is an abundant number, since it is smaller than the sum of its proper divisors (81913464).

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

42902136 is a wasteful number, since it uses less digits than its factorization.

42902136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811 (or 795 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 42902136 is about 6549.9722136815. The cubic root of 42902136 is about 350.0738238834.

The spelling of 42902136 in words is "forty-two million, nine hundred two thousand, one hundred thirty-six".