133107888 has 20 divisors (see below), whose sum is σ = 343862168. Its totient is φ = 44369280.

The previous prime is 133107869. The next prime is 133107937. The reversal of 133107888 is 888701331.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

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, 1386493 + ... + 1386588.

Almost surely, 2^133107888 is an apocalyptic number.

It is an amenable number.

133107888 is an abundant number, since it is smaller than the sum of its proper divisors (210754280).

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

133107888 is a wasteful number, since it uses less digits than its factorization.

133107888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2773092 (or 2773086 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 133107888 is about 11537.2391844843. The cubic root of 133107888 is about 510.5848576835.

The spelling of 133107888 in words is "one hundred thirty-three million, one hundred seven thousand, eight hundred eighty-eight".