135432618955 has 4 divisors (see below), whose sum is σ = 162519142752. Its totient is φ = 108346095160.

The previous prime is 135432618943. The next prime is 135432618989. The reversal of 135432618955 is 559816234531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 559816234531 = 6113 ⋅91577987.

It is not a de Polignac number, because 135432618955 - 2²¹ = 135430521803 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, 13543261891 + ... + 13543261900.

It is an arithmetic number, because the mean of its divisors is an integer number (40629785688).

Almost surely, 2^135432618955 is an apocalyptic number.

135432618955 is a deficient number, since it is larger than the sum of its proper divisors (27086523797).

135432618955 is an equidigital number, since it uses as much as digits as its factorization.

135432618955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27086523796.

The product of its digits is 3888000, while the sum is 52.

The spelling of 135432618955 in words is "one hundred thirty-five billion, four hundred thirty-two million, six hundred eighteen thousand, nine hundred fifty-five".