133492656 has 40 divisors (see below), whose sum is σ = 376208064. Its totient is φ = 40452160.

The previous prime is 133492649. The next prime is 133492673. The reversal of 133492656 is 656294331.

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 7 ways as a sum of consecutive naturals, for example, 125886 + ... + 126941.

Almost surely, 2^133492656 is an apocalyptic number.

133492656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

133492656 is an abundant number, since it is smaller than the sum of its proper divisors (242715408).

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

133492656 is a wasteful number, since it uses less digits than its factorization.

133492656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252849 (or 252843 counting only the distinct ones).

The product of its digits is 116640, while the sum is 39.

The square root of 133492656 is about 11553.9021979589. The cubic root of 133492656 is about 511.0763580375.

The spelling of 133492656 in words is "one hundred thirty-three million, four hundred ninety-two thousand, six hundred fifty-six".