131621452062004 has 12 divisors (see below), whose sum is σ = 231610124209828. Its totient is φ = 65447130859200.

The previous prime is 131621452061971. The next prime is 131621452062041. The reversal of 131621452062004 is 400260254126131.

It can be written as a sum of positive squares in 2 ways, for example, as 13086016851600 + 118535435210404 = 3617460^2 + 10887398^2 .

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, 90898792137 + ... + 90898793584.

Almost surely, 2^{131621452062004} is an apocalyptic number.

It is an amenable number.

131621452062004 is a deficient number, since it is larger than the sum of its proper divisors (99988672147824).

131621452062004 is a wasteful number, since it uses less digits than its factorization.

131621452062004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181797585906 (or 181797585904 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 131621452062004 in words is "one hundred thirty-one trillion, six hundred twenty-one billion, four hundred fifty-two million, sixty-two thousand, four".