133479960 has 32 divisors (see below), whose sum is σ = 400440240. Its totient is φ = 35594624.

The previous prime is 133479949. The next prime is 133479991. The reversal of 133479960 is 69974331.

It is a congruent number.

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, 556047 + ... + 556286.

Almost surely, 2^133479960 is an apocalyptic number.

133479960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133479960 is an abundant number, since it is smaller than the sum of its proper divisors (266960280).

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

133479960 is a wasteful number, since it uses less digits than its factorization.

133479960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112347 (or 1112343 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 42.

The square root of 133479960 is about 11553.3527601298. The cubic root of 133479960 is about 511.0601553206.

The spelling of 133479960 in words is "one hundred thirty-three million, four hundred seventy-nine thousand, nine hundred sixty".