136206970505 has 8 divisors (see below), whose sum is σ = 163453038792. Its totient is φ = 108962460288.

The previous prime is 136206970483. The next prime is 136206970513. The reversal of 136206970505 is 505079602631.

It can be written as a sum of positive squares in 4 ways, for example, as 16540789321 + 119666181184 = 128611^2 + 345928^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 136206970505 - 2³⁴ = 119027101321 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187682 + ... + 554651.

It is an arithmetic number, because the mean of its divisors is an integer number (20431629849).

Almost surely, 2^136206970505 is an apocalyptic number.

It is an amenable number.

136206970505 is a deficient number, since it is larger than the sum of its proper divisors (27246068287).

136206970505 is an equidigital number, since it uses as much as digits as its factorization.

136206970505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779035.

The product of its (nonzero) digits is 340200, while the sum is 44.

The spelling of 136206970505 in words is "one hundred thirty-six billion, two hundred six million, nine hundred seventy thousand, five hundred five".