70138939582 has 8 divisors (see below), whose sum is σ = 105209702136. Its totient is φ = 35069038872.

The previous prime is 70138939579. The next prime is 70138939583. The reversal of 70138939582 is 28593983107.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70138939583) by changing a digit.

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, 56808 + ... + 378820.

It is an arithmetic number, because the mean of its divisors is an integer number (13151212767).

Almost surely, 2^70138939582 is an apocalyptic number.

70138939582 is a deficient number, since it is larger than the sum of its proper divisors (35070762554).

70138939582 is a wasteful number, since it uses less digits than its factorization.

70138939582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430922.

The product of its (nonzero) digits is 3265920, while the sum is 55.

The spelling of 70138939582 in words is "seventy billion, one hundred thirty-eight million, nine hundred thirty-nine thousand, five hundred eighty-two".