213713066 has 16 divisors (see below), whose sum is σ = 373279104. Its totient is φ = 89862864.

The previous prime is 213713063. The next prime is 213713077. The reversal of 213713066 is 660317312.

It is not an unprimeable number, because it can be changed into a prime (213713063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143270 + ... + 144753.

It is an arithmetic number, because the mean of its divisors is an integer number (23329944).

Almost surely, 2^213713066 is an apocalyptic number.

213713066 is a deficient number, since it is larger than the sum of its proper divisors (159566038).

213713066 is a wasteful number, since it uses less digits than its factorization.

213713066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288085.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 213713066 is about 14618.9283464965. The cubic root of 213713066 is about 597.8749510154.

The spelling of 213713066 in words is "two hundred thirteen million, seven hundred thirteen thousand, sixty-six".