133683874137 has 24 divisors (see below), whose sum is σ = 210833452128. Its totient is φ = 80951270400.

The previous prime is 133683874133. The next prime is 133683874139. The reversal of 133683874137 is 731478386331.

133683874137 is a `hidden beast` number, since 133 + 68 + 38 + 7 + 413 + 7 = 666.

It is not a de Polignac number, because 133683874137 - 2² = 133683874133 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133683874133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 460648 + ... + 692505.

It is an arithmetic number, because the mean of its divisors is an integer number (8784727172).

Almost surely, 2^133683874137 is an apocalyptic number.

It is an amenable number.

133683874137 is a deficient number, since it is larger than the sum of its proper divisors (77149577991).

133683874137 is a wasteful number, since it uses less digits than its factorization.

133683874137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154341 (or 1154338 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 54.

The spelling of 133683874137 in words is "one hundred thirty-three billion, six hundred eighty-three million, eight hundred seventy-four thousand, one hundred thirty-seven".