133316900 has 18 divisors (see below), whose sum is σ = 289297890. Its totient is φ = 53326720.

The previous prime is 133316891. The next prime is 133316921. The reversal of 133316900 is 9613331.

It can be written as a sum of positive squares in 3 ways, for example, as 26152996 + 107163904 = 5114^2 + 10352^2 .

It is a super-2 number, since 2×133316900² = 35546791651220000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133316900.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 666485 + ... + 666684.

It is an arithmetic number, because the mean of its divisors is an integer number (16072105).

Almost surely, 2^133316900 is an apocalyptic number.

133316900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133316900 is an abundant number, since it is smaller than the sum of its proper divisors (155980990).

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

133316900 is a wasteful number, since it uses less digits than its factorization.

133316900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333183 (or 1333176 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 26.

The square root of 133316900 is about 11546.2937776587. The cubic root of 133316900 is about 510.8519657028.

The spelling of 133316900 in words is "one hundred thirty-three million, three hundred sixteen thousand, nine hundred".