42136936 has 32 divisors (see below), whose sum is σ = 82241280. Its totient is φ = 20217600.

The previous prime is 42136933. The next prime is 42136937. The reversal of 42136936 is 63963124.

It is a happy number.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (42136933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31840 + ... + 33136.

It is an arithmetic number, because the mean of its divisors is an integer number (2570040).

Almost surely, 2^42136936 is an apocalyptic number.

It is an amenable number.

42136936 is a deficient number, since it is larger than the sum of its proper divisors (40104344).

42136936 is a wasteful number, since it uses less digits than its factorization.

42136936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1465 (or 1461 counting only the distinct ones).

The product of its digits is 23328, while the sum is 34.

The square root of 42136936 is about 6491.2969428305. The cubic root of 42136936 is about 347.9800270388.

The spelling of 42136936 in words is "forty-two million, one hundred thirty-six thousand, nine hundred thirty-six".