70513136 has 10 divisors (see below), whose sum is σ = 136619232. Its totient is φ = 35256560.

The previous prime is 70513117. The next prime is 70513139. The reversal of 70513136 is 63131507.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70513139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2203520 + ... + 2203551.

Almost surely, 2^70513136 is an apocalyptic number.

It is an amenable number.

70513136 is a deficient number, since it is larger than the sum of its proper divisors (66106096).

70513136 is a wasteful number, since it uses less digits than its factorization.

70513136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4407079 (or 4407073 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 70513136 is about 8397.2100128555. The cubic root of 70513136 is about 413.1331172767.

The spelling of 70513136 in words is "seventy million, five hundred thirteen thousand, one hundred thirty-six".