136819556591099 has 32 divisors (see below), whose sum is σ = 139773323821056. Its totient is φ = 133910035660800.

The previous prime is 136819556591087. The next prime is 136819556591219. The reversal of 136819556591099 is 990195655918631.

It is a cyclic number.

It is not a de Polignac number, because 136819556591099 - 2²⁸ = 136819288155643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136819556591699) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2135537864 + ... + 2135601930.

It is an arithmetic number, because the mean of its divisors is an integer number (4367916369408).

Almost surely, 2^{136819556591099} is an apocalyptic number.

136819556591099 is a deficient number, since it is larger than the sum of its proper divisors (2953767229957).

136819556591099 is a wasteful number, since it uses less digits than its factorization.

136819556591099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65115.

The product of its (nonzero) digits is 708588000, while the sum is 77.

The spelling of 136819556591099 in words is "one hundred thirty-six trillion, eight hundred nineteen billion, five hundred fifty-six million, five hundred ninety-one thousand, ninety-nine".