135236860054 has 4 divisors (see below), whose sum is σ = 202855290084. Its totient is φ = 67618430026.

The previous prime is 135236860013. The next prime is 135236860069. The reversal of 135236860054 is 450068632531.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33809215012 + ... + 33809215015.

It is an arithmetic number, because the mean of its divisors is an integer number (50713822521).

Almost surely, 2^135236860054 is an apocalyptic number.

135236860054 is a deficient number, since it is larger than the sum of its proper divisors (67618430030).

135236860054 is an equidigital number, since it uses as much as digits as its factorization.

135236860054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67618430029.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 135236860054 in words is "one hundred thirty-five billion, two hundred thirty-six million, eight hundred sixty thousand, fifty-four".