136775457570815 has 48 divisors (see below), whose sum is σ = 191128036881600. Its totient is φ = 92045863526400.

The previous prime is 136775457570803. The next prime is 136775457570823. The reversal of 136775457570815 is 518075754577631.

It is a Cunningham number, because it is equal to 11695104²-1.

It is not a de Polignac number, because 136775457570815 - 2⁸ = 136775457570559 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 57306005 + ... + 59645025.

It is an arithmetic number, because the mean of its divisors is an integer number (3981834101700).

Almost surely, 2^{136775457570815} is an apocalyptic number.

136775457570815 is a deficient number, since it is larger than the sum of its proper divisors (54352579310785).

136775457570815 is an equidigital number, since it uses as much as digits as its factorization.

136775457570815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2339604 (or 2339543 counting only the distinct ones).

The product of its (nonzero) digits is 864360000, while the sum is 71.

The spelling of 136775457570815 in words is "one hundred thirty-six trillion, seven hundred seventy-five billion, four hundred fifty-seven million, five hundred seventy thousand, eight hundred fifteen".