131572126468 has 6 divisors (see below), whose sum is σ = 230251221326. Its totient is φ = 65786063232.

The previous prime is 131572126423. The next prime is 131572126507. The reversal of 131572126468 is 864621275131.

It can be written as a sum of positive squares in only one way, i.e., 70858180864 + 60713945604 = 266192^2 + 246402^2 .

It is a super-2 number, since 2×131572126468² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16446515805 + ... + 16446515812.

Almost surely, 2^131572126468 is an apocalyptic number.

It is an amenable number.

131572126468 is a deficient number, since it is larger than the sum of its proper divisors (98679094858).

131572126468 is a wasteful number, since it uses less digits than its factorization.

131572126468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32893031621 (or 32893031619 counting only the distinct ones).

The product of its digits is 483840, while the sum is 46.

The spelling of 131572126468 in words is "one hundred thirty-one billion, five hundred seventy-two million, one hundred twenty-six thousand, four hundred sixty-eight".