136557077515 has 16 divisors (see below), whose sum is σ = 166874738976. Its totient is φ = 107248377600.

The previous prime is 136557077473. The next prime is 136557077521. The reversal of 136557077515 is 515770755631.

It is not a de Polignac number, because 136557077515 - 2⁷ = 136557077387 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270777 + ... + 588586.

It is an arithmetic number, because the mean of its divisors is an integer number (10429671186).

Almost surely, 2^136557077515 is an apocalyptic number.

136557077515 is a deficient number, since it is larger than the sum of its proper divisors (30317661461).

136557077515 is an equidigital number, since it uses as much as digits as its factorization.

136557077515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859950.

The product of its (nonzero) digits is 3858750, while the sum is 52.

The spelling of 136557077515 in words is "one hundred thirty-six billion, five hundred fifty-seven million, seventy-seven thousand, five hundred fifteen".