213154534 has 8 divisors (see below), whose sum is σ = 338539608. Its totient is φ = 100308000.

The previous prime is 213154523. The next prime is 213154549. The reversal of 213154534 is 435451312.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3134592 + ... + 3134659.

It is an arithmetic number, because the mean of its divisors is an integer number (42317451).

Almost surely, 2^213154534 is an apocalyptic number.

213154534 is a deficient number, since it is larger than the sum of its proper divisors (125385074).

213154534 is a wasteful number, since it uses less digits than its factorization.

213154534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6269270.

The product of its digits is 7200, while the sum is 28.

The square root of 213154534 is about 14599.8128070191. The cubic root of 213154534 is about 597.3536545118.

It can be divided in two parts, 2131 and 54534, that added together give a palindrome (56665).

The spelling of 213154534 in words is "two hundred thirteen million, one hundred fifty-four thousand, five hundred thirty-four".