70061139 has 16 divisors (see below), whose sum is σ = 104768640. Its totient is φ = 46269000.

The previous prime is 70061119. The next prime is 70061153. The reversal of 70061139 is 93116007.

It is not a de Polignac number, because 70061139 - 2⁷ = 70061011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (70061119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9237 + ... + 15014.

It is an arithmetic number, because the mean of its divisors is an integer number (6548040).

Almost surely, 2^70061139 is an apocalyptic number.

70061139 is a deficient number, since it is larger than the sum of its proper divisors (34707501).

70061139 is a wasteful number, since it uses less digits than its factorization.

70061139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24367 (or 24361 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 27.

The square root of 70061139 is about 8370.2532219760. The cubic root of 70061139 is about 412.2484813804.

The spelling of 70061139 in words is "seventy million, sixty-one thousand, one hundred thirty-nine".