70139900 has 18 divisors (see below), whose sum is σ = 152203800. Its totient is φ = 28055920.

The previous prime is 70139899. The next prime is 70139911. The reversal of 70139900 is 993107.

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 5 ways as a sum of consecutive naturals, for example, 350600 + ... + 350799.

Almost surely, 2^70139900 is an apocalyptic number.

It is an amenable number.

70139900 is an abundant number, since it is smaller than the sum of its proper divisors (82063900).

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

70139900 is a wasteful number, since it uses less digits than its factorization.

70139900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701413 (or 701406 counting only the distinct ones).

The product of its (nonzero) digits is 1701, while the sum is 29.

The square root of 70139900 is about 8374.9567163061. The cubic root of 70139900 is about 412.4029033786.

The spelling of 70139900 in words is "seventy million, one hundred thirty-nine thousand, nine hundred".