213365134 has 4 divisors (see below), whose sum is σ = 320047704. Its totient is φ = 106682566.

The previous prime is 213365123. The next prime is 213365161. The reversal of 213365134 is 431563312.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53341282 + ... + 53341285.

It is an arithmetic number, because the mean of its divisors is an integer number (80011926).

Almost surely, 2^213365134 is an apocalyptic number.

213365134 is a deficient number, since it is larger than the sum of its proper divisors (106682570).

213365134 is a wasteful number, since it uses less digits than its factorization.

213365134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106682569.

The product of its digits is 6480, while the sum is 28.

The square root of 213365134 is about 14607.0234476433. The cubic root of 213365134 is about 597.5503213280.

The spelling of 213365134 in words is "two hundred thirteen million, three hundred sixty-five thousand, one hundred thirty-four".