214165136521924 has 135 divisors (see below), whose sum is σ = 463355495825313. Its totient is φ = 86362054109184.

The previous prime is 214165136521909. The next prime is 214165136521993. The reversal of 214165136521924 is 429125631561412.

The square root of 214165136521924 is 14634382.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 133358844572100 + 80806291949824 = 11548110^2 + 8989232^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 59210707764 + ... + 59210711380.

Almost surely, 2^{214165136521924} is an apocalyptic number.

214165136521924 is the 14634382-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 214165136521924

214165136521924 is an abundant number, since it is smaller than the sum of its proper divisors (249190359303389).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

214165136521924 is an frugal number, since it uses more digits than its factorization.

214165136521924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7320 (or 3643 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 52.

The spelling of 214165136521924 in words is "two hundred fourteen trillion, one hundred sixty-five billion, one hundred thirty-six million, five hundred twenty-one thousand, nine hundred twenty-four".