136787377115 has 4 divisors (see below), whose sum is σ = 164144852544. Its totient is φ = 109429901688.

The previous prime is 136787377093. The next prime is 136787377157. The reversal of 136787377115 is 511773787631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 511773787631 = 271 ⋅1888464161.

It is a cyclic number.

It is not a de Polignac number, because 136787377115 - 2³⁶ = 68067900379 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13678737707 + ... + 13678737716.

It is an arithmetic number, because the mean of its divisors is an integer number (41036213136).

Almost surely, 2^136787377115 is an apocalyptic number.

136787377115 is a deficient number, since it is larger than the sum of its proper divisors (27357475429).

136787377115 is an equidigital number, since it uses as much as digits as its factorization.

136787377115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27357475428.

The product of its digits is 5186160, while the sum is 56.

The spelling of 136787377115 in words is "one hundred thirty-six billion, seven hundred eighty-seven million, three hundred seventy-seven thousand, one hundred fifteen".