213152234 has 4 divisors (see below), whose sum is σ = 319728354. Its totient is φ = 106576116.

The previous prime is 213152231. The next prime is 213152257. The reversal of 213152234 is 432251312.

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

It can be written as a sum of positive squares in only one way, i.e., 193126609 + 20025625 = 13897^2 + 4475^2 .

It is not an unprimeable number, because it can be changed into a prime (213152231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53288057 + ... + 53288060.

Almost surely, 2^213152234 is an apocalyptic number.

213152234 is a deficient number, since it is larger than the sum of its proper divisors (106576120).

213152234 is a wasteful number, since it uses less digits than its factorization.

213152234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106576119.

The product of its digits is 1440, while the sum is 23.

The square root of 213152234 is about 14599.7340386734. The cubic root of 213152234 is about 597.3515059636.

The spelling of 213152234 in words is "two hundred thirteen million, one hundred fifty-two thousand, two hundred thirty-four".