70031445139 has 4 divisors (see below), whose sum is σ = 70229834856. Its totient is φ = 69833055424.

The previous prime is 70031445119. The next prime is 70031445149. The reversal of 70031445139 is 93154413007.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70031445139 - 2⁹ = 70031444627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70031445098 and 70031445107.

It is not an unprimeable number, because it can be changed into a prime (70031445119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99194329 + ... + 99195034.

It is an arithmetic number, because the mean of its divisors is an integer number (17557458714).

Almost surely, 2^70031445139 is an apocalyptic number.

70031445139 is a deficient number, since it is larger than the sum of its proper divisors (198389717).

70031445139 is a wasteful number, since it uses less digits than its factorization.

70031445139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198389716.

The product of its (nonzero) digits is 45360, while the sum is 37.

The spelling of 70031445139 in words is "seventy billion, thirty-one million, four hundred forty-five thousand, one hundred thirty-nine".