213151274 has 24 divisors (see below), whose sum is σ = 372530340. Its totient is φ = 91202496.

The previous prime is 213151273. The next prime is 213151277. The reversal of 213151274 is 472151312.

213151274 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 195804049 + 17347225 = 13993^2 + 4165^2 .

It is not an unprimeable number, because it can be changed into a prime (213151271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76742 + ... + 79470.

Almost surely, 2^213151274 is an apocalyptic number.

213151274 is a deficient number, since it is larger than the sum of its proper divisors (159379066).

213151274 is a wasteful number, since it uses less digits than its factorization.

213151274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3542 (or 3535 counting only the distinct ones).

The product of its digits is 1680, while the sum is 26.

The square root of 213151274 is about 14599.7011613252. The cubic root of 213151274 is about 597.3506091737.

The spelling of 213151274 in words is "two hundred thirteen million, one hundred fifty-one thousand, two hundred seventy-four".