133870980 has 48 divisors (see below), whose sum is σ = 376528320. Its totient is φ = 35538048.

The previous prime is 133870973. The next prime is 133871021. The reversal of 133870980 is 89078331.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8706 + ... + 18534.

It is an arithmetic number, because the mean of its divisors is an integer number (7844340).

Almost surely, 2^133870980 is an apocalyptic number.

133870980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133870980 is an abundant number, since it is smaller than the sum of its proper divisors (242657340).

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

133870980 is a wasteful number, since it uses less digits than its factorization.

133870980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10068 (or 10066 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 133870980 is about 11570.2627455041. The cubic root of 133870980 is about 511.5587068760.

The spelling of 133870980 in words is "one hundred thirty-three million, eight hundred seventy thousand, nine hundred eighty".