133897300 has 36 divisors (see below), whose sum is σ = 291070780. Its totient is φ = 53464320.

The previous prime is 133897279. The next prime is 133897319. The reversal of 133897300 is 3798331.

It can be written as a sum of positive squares in 6 ways, for example, as 52969284 + 80928016 = 7278^2 + 8996^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92986 + ... + 94414.

Almost surely, 2^133897300 is an apocalyptic number.

133897300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133897300 is an abundant number, since it is smaller than the sum of its proper divisors (157173480).

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

133897300 is a wasteful number, since it uses less digits than its factorization.

133897300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2380 (or 2373 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 133897300 is about 11571.4000881484. The cubic root of 133897300 is about 511.5922300560.

The spelling of 133897300 in words is "one hundred thirty-three million, eight hundred ninety-seven thousand, three hundred".