133231755396 has 12 divisors (see below), whose sum is σ = 310874095952. Its totient is φ = 44410585128.

The previous prime is 133231755383. The next prime is 133231755403. The reversal of 133231755396 is 693557132331.

It is a tau number, because it is divible by the number of its divisors (12).

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, 5551323130 + ... + 5551323153.

Almost surely, 2^133231755396 is an apocalyptic number.

It is an amenable number.

133231755396 is an abundant number, since it is smaller than the sum of its proper divisors (177642340556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133231755396 is a wasteful number, since it uses less digits than its factorization.

133231755396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11102646290 (or 11102646288 counting only the distinct ones).

The product of its digits is 1530900, while the sum is 48.

The spelling of 133231755396 in words is "one hundred thirty-three billion, two hundred thirty-one million, seven hundred fifty-five thousand, three hundred ninety-six".