135671777775615 has 32 divisors (see below), whose sum is σ = 217809207728640. Its totient is φ = 72113857190784.

The previous prime is 135671777775607. The next prime is 135671777775617. The reversal of 135671777775615 is 516577777176531.

It is not a de Polignac number, because 135671777775615 - 2³ = 135671777775607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135671777775617) 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, 5385264 + ... + 17330453.

It is an arithmetic number, because the mean of its divisors is an integer number (6806537741520).

Almost surely, 2^{135671777775615} is an apocalyptic number.

135671777775615 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135671777775615 is a deficient number, since it is larger than the sum of its proper divisors (82137429953025).

135671777775615 is a wasteful number, since it uses less digits than its factorization.

135671777775615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22717071.

The product of its digits is 1588261500, while the sum is 75.

The spelling of 135671777775615 in words is "one hundred thirty-five trillion, six hundred seventy-one billion, seven hundred seventy-seven million, seven hundred seventy-five thousand, six hundred fifteen".