13137418706 has 4 divisors (see below), whose sum is σ = 19706128062. Its totient is φ = 6568709352.

The previous prime is 13137418633. The next prime is 13137418717. The reversal of 13137418706 is 60781473131.

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

It can be written as a sum of positive squares in only one way, i.e., 7266028081 + 5871390625 = 85241^2 + 76625^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3284354675 + ... + 3284354678.

Almost surely, 2^13137418706 is an apocalyptic number.

13137418706 is a deficient number, since it is larger than the sum of its proper divisors (6568709356).

13137418706 is an equidigital number, since it uses as much as digits as its factorization.

13137418706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6568709355.

The product of its (nonzero) digits is 84672, while the sum is 41.

The spelling of 13137418706 in words is "thirteen billion, one hundred thirty-seven million, four hundred eighteen thousand, seven hundred six".