890502136 has 16 divisors (see below), whose sum is σ = 1708522200. Its totient is φ = 434896224.

The previous prime is 890502133. The next prime is 890502181. The reversal of 890502136 is 631205098.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (890502133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1293991 + ... + 1294678.

Almost surely, 2^890502136 is an apocalyptic number.

890502136 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

890502136 is a deficient number, since it is larger than the sum of its proper divisors (818020064).

890502136 is a wasteful number, since it uses less digits than its factorization.

890502136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2588718 (or 2588714 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 890502136 is about 29841.2824121216. The cubic root of 890502136 is about 962.0810382355.

The spelling of 890502136 in words is "eight hundred ninety million, five hundred two thousand, one hundred thirty-six".