213538158 has 48 divisors (see below), whose sum is σ = 470901600. Its totient is φ = 69924672.

The previous prime is 213538133. The next prime is 213538159. The reversal of 213538158 is 851835312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213538159) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 275860 + ... + 276632.

It is an arithmetic number, because the mean of its divisors is an integer number (9810450).

Almost surely, 2^213538158 is an apocalyptic number.

213538158 is an abundant number, since it is smaller than the sum of its proper divisors (257363442).

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

213538158 is a wasteful number, since it uses less digits than its factorization.

213538158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033 (or 1030 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 213538158 is about 14612.9448777445. The cubic root of 213538158 is about 597.7118013380.

The spelling of 213538158 in words is "two hundred thirteen million, five hundred thirty-eight thousand, one hundred fifty-eight".