352136614921 has 27 divisors (see below), whose sum is σ = 443630044053. Its totient is φ = 278570859840.

The previous prime is 352136614909. The next prime is 352136614979. The reversal of 352136614921 is 129416631253.

The square root of 352136614921 is 593411.

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

It can be written as a sum of positive squares in 4 ways, for example, as 5173205625 + 346963409296 = 71925^2 + 589036^2 .

It is not a de Polignac number, because 352136614921 - 2⁵ = 352136614889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (352136614981) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 53997141 + ... + 54003661.

Almost surely, 2^352136614921 is an apocalyptic number.

352136614921 is the 593411-st square number.

352136614921 is the 296706-th centered octagonal number.

It is an amenable number.

352136614921 is a deficient number, since it is larger than the sum of its proper divisors (91493429132).

352136614921 is an frugal number, since it uses more digits than its factorization.

352136614921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13082 (or 6541 counting only the distinct ones).

The product of its digits is 233280, while the sum is 43.

The spelling of 352136614921 in words is "three hundred fifty-two billion, one hundred thirty-six million, six hundred fourteen thousand, nine hundred twenty-one".