234156218 has 4 divisors (see below), whose sum is σ = 351234330. Its totient is φ = 117078108.

The previous prime is 234156137. The next prime is 234156253. The reversal of 234156218 is 812651432.

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., 155426089 + 78730129 = 12467^2 + 8873^2 .

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 as a sum of consecutive naturals, namely, 58539053 + ... + 58539056.

Almost surely, 2^234156218 is an apocalyptic number.

234156218 is a deficient number, since it is larger than the sum of its proper divisors (117078112).

234156218 is a wasteful number, since it uses less digits than its factorization.

234156218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117078111.

The product of its digits is 11520, while the sum is 32.

The square root of 234156218 is about 15302.1638339158. The cubic root of 234156218 is about 616.3611143033.

The spelling of 234156218 in words is "two hundred thirty-four million, one hundred fifty-six thousand, two hundred eighteen".