133899700 has 36 divisors (see below), whose sum is σ = 316979712. Its totient is φ = 48690400.

The previous prime is 133899683. The next prime is 133899709. The reversal of 133899700 is 7998331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133899709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59764 + ... + 61963.

It is an arithmetic number, because the mean of its divisors is an integer number (8804992).

Almost surely, 2^133899700 is an apocalyptic number.

133899700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133899700 is an abundant number, since it is smaller than the sum of its proper divisors (183080012).

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

133899700 is a wasteful number, since it uses less digits than its factorization.

133899700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121752 (or 121745 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 133899700 is about 11571.5037916426. The cubic root of 133899700 is about 511.5952866623.

The spelling of 133899700 in words is "one hundred thirty-three million, eight hundred ninety-nine thousand, seven hundred".