70138100 has 36 divisors (see below), whose sum is σ = 155448384. Its totient is φ = 27456480.

The previous prime is 70138099. The next prime is 70138111. The reversal of 70138100 is 183107.

It is a super-2 number, since 2×70138100² = 9838706143220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2762 + ... + 12161.

Almost surely, 2^70138100 is an apocalyptic number.

It is an amenable number.

70138100 is an abundant number, since it is smaller than the sum of its proper divisors (85310284).

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

70138100 is a wasteful number, since it uses less digits than its factorization.

70138100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14984 (or 14977 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 70138100 is about 8374.8492523746. The cubic root of 70138100 is about 412.3993755171.

The spelling of 70138100 in words is "seventy million, one hundred thirty-eight thousand, one hundred".