213151154 has 8 divisors (see below), whose sum is σ = 328368108. Its totient is φ = 103695120.

The previous prime is 213151153. The next prime is 213151163. The reversal of 213151154 is 451151312.

It can be written as a sum of positive squares in 2 ways, for example, as 151167025 + 61984129 = 12295^2 + 7873^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (213151153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1440137 + ... + 1440284.

Almost surely, 2^213151154 is an apocalyptic number.

213151154 is a deficient number, since it is larger than the sum of its proper divisors (115216954).

213151154 is a wasteful number, since it uses less digits than its factorization.

213151154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2880460.

The product of its digits is 600, while the sum is 23.

The square root of 213151154 is about 14599.6970516514. The cubic root of 213151154 is about 597.3504970748.

The spelling of 213151154 in words is "two hundred thirteen million, one hundred fifty-one thousand, one hundred fifty-four".