870000136 has 16 divisors (see below), whose sum is σ = 1637753040. Its totient is φ = 433266000.

The previous prime is 870000091. The next prime is 870000137. The reversal of 870000136 is 631000078.

It is a self number, because there is not a number n which added to its sum of digits gives 870000136.

It is not an unprimeable number, because it can be changed into a prime (870000137) 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, 214626 + ... + 218641.

It is an arithmetic number, because the mean of its divisors is an integer number (102359565).

Almost surely, 2^870000136 is an apocalyptic number.

It is an amenable number.

870000136 is a deficient number, since it is larger than the sum of its proper divisors (767752904).

870000136 is a wasteful number, since it uses less digits than its factorization.

870000136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433524 (or 433520 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 870000136 is about 29495.7647129211. The cubic root of 870000136 is about 954.6403206797.

The spelling of 870000136 in words is "eight hundred seventy million, one hundred thirty-six", and thus it is an aban number.