133958515984 has 20 divisors (see below), whose sum is σ = 266559345484. Its totient is φ = 65169007488.

The previous prime is 133958515961. The next prime is 133958515997. The reversal of 133958515984 is 489515859331.

It can be written as a sum of positive squares in 2 ways, for example, as 84750854400 + 49207661584 = 291120^2 + 221828^2 .

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 in 3 ways as a sum of consecutive naturals, for example, 113140047 + ... + 113141230.

Almost surely, 2^133958515984 is an apocalyptic number.

It is an amenable number.

133958515984 is a deficient number, since it is larger than the sum of its proper divisors (132600829500).

133958515984 is a wasteful number, since it uses less digits than its factorization.

133958515984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226281322 (or 226281316 counting only the distinct ones).

The product of its digits is 23328000, while the sum is 61.

The spelling of 133958515984 in words is "one hundred thirty-three billion, nine hundred fifty-eight million, five hundred fifteen thousand, nine hundred eighty-four".