133631614472 has 32 divisors (see below), whose sum is σ = 258454997400. Its totient is φ = 64726055424.

The previous prime is 133631614463. The next prime is 133631614513. The reversal of 133631614472 is 274416136331.

It can be written as a sum of positive squares in 4 ways, for example, as 133375422436 + 256192036 = 365206^2 + 16006^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 917933 + ... + 1053500.

Almost surely, 2^133631614472 is an apocalyptic number.

It is an amenable number.

133631614472 is a deficient number, since it is larger than the sum of its proper divisors (124823382928).

133631614472 is a wasteful number, since it uses less digits than its factorization.

133631614472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1971705 (or 1971701 counting only the distinct ones).

The product of its digits is 217728, while the sum is 41.

The spelling of 133631614472 in words is "one hundred thirty-three billion, six hundred thirty-one million, six hundred fourteen thousand, four hundred seventy-two".