133109880 has 32 divisors (see below), whose sum is σ = 399330000. Its totient is φ = 35495936.

The previous prime is 133109803. The next prime is 133109909. The reversal of 133109880 is 88901331.

It is a super-2 number, since 2×133109880² = 35436480307228800, which contains 22 as substring.

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, 554505 + ... + 554744.

Almost surely, 2^133109880 is an apocalyptic number.

133109880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133109880 is an abundant number, since it is smaller than the sum of its proper divisors (266220120).

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

133109880 is a wasteful number, since it uses less digits than its factorization.

133109880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109263 (or 1109259 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 133109880 is about 11537.3255133068. The cubic root of 133109880 is about 510.5874046900.

The spelling of 133109880 in words is "one hundred thirty-three million, one hundred nine thousand, eight hundred eighty".