213790158 has 32 divisors (see below), whose sum is σ = 483148800. Its totient is φ = 70054488.

The previous prime is 213790123. The next prime is 213790163. The reversal of 213790158 is 851097312.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30366 + ... + 36737.

It is an arithmetic number, because the mean of its divisors is an integer number (15098400).

Almost surely, 2^213790158 is an apocalyptic number.

213790158 is an abundant number, since it is smaller than the sum of its proper divisors (269358642).

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

213790158 is a wasteful number, since it uses less digits than its factorization.

213790158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67173 (or 67167 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 213790158 is about 14621.5648273364. The cubic root of 213790158 is about 597.9468321839.

The spelling of 213790158 in words is "two hundred thirteen million, seven hundred ninety thousand, one hundred fifty-eight".