42136732 has 24 divisors (see below), whose sum is σ = 82317312. Its totient is φ = 18706800.

The previous prime is 42136723. The next prime is 42136741. The reversal of 42136732 is 23763124.

It is an interprime number because it is at equal distance from previous prime (42136723) and next prime (42136741).

It is a self number, because there is not a number n which added to its sum of digits gives 42136732.

It is a congruent number.

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, 9244 + ... + 13027.

It is an arithmetic number, because the mean of its divisors is an integer number (3429888).

Almost surely, 2^42136732 is an apocalyptic number.

It is an amenable number.

42136732 is a deficient number, since it is larger than the sum of its proper divisors (40180580).

42136732 is a wasteful number, since it uses less digits than its factorization.

42136732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22329 (or 22327 counting only the distinct ones).

The product of its digits is 6048, while the sum is 28.

The square root of 42136732 is about 6491.2812294646. The cubic root of 42136732 is about 347.9794654726.

Adding to 42136732 its reverse (23763124), we get a palindrome (65899856).

The spelling of 42136732 in words is "forty-two million, one hundred thirty-six thousand, seven hundred thirty-two".