133870712 has 16 divisors (see below), whose sum is σ = 251559000. Its totient is φ = 66788320.

The previous prime is 133870669. The next prime is 133870721. The reversal of 133870712 is 217078331.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 14462 + ... + 21837.

Almost surely, 2^133870712 is an apocalyptic number.

It is an amenable number.

133870712 is a deficient number, since it is larger than the sum of its proper divisors (117688288).

133870712 is a wasteful number, since it uses less digits than its factorization.

133870712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36766 (or 36762 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 133870712 is about 11570.2511640846. The cubic root of 133870712 is about 511.5583655079.

The spelling of 133870712 in words is "one hundred thirty-three million, eight hundred seventy thousand, seven hundred twelve".