133493700 has 36 divisors (see below), whose sum is σ = 386242640. Its totient is φ = 35598240.

The previous prime is 133493693. The next prime is 133493761. The reversal of 133493700 is 7394331.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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, 222190 + ... + 222789.

Almost surely, 2^133493700 is an apocalyptic number.

133493700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133493700 is an abundant number, since it is smaller than the sum of its proper divisors (252748940).

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

133493700 is a wasteful number, since it uses less digits than its factorization.

133493700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444996 (or 444989 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 30.

The square root of 133493700 is about 11553.9473774118. The cubic root of 133493700 is about 511.0776903513.

The spelling of 133493700 in words is "one hundred thirty-three million, four hundred ninety-three thousand, seven hundred".