135315223494 has 16 divisors (see below), whose sum is σ = 295233215040. Its totient is φ = 41004613160.

The previous prime is 135315223469. The next prime is 135315223507. The reversal of 135315223494 is 494322513531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1025115264 + ... + 1025115395.

It is an arithmetic number, because the mean of its divisors is an integer number (18452075940).

Almost surely, 2^135315223494 is an apocalyptic number.

135315223494 is an abundant number, since it is smaller than the sum of its proper divisors (159917991546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135315223494 is a wasteful number, since it uses less digits than its factorization.

135315223494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2050230675.

The product of its digits is 388800, while the sum is 42.

The spelling of 135315223494 in words is "one hundred thirty-five billion, three hundred fifteen million, two hundred twenty-three thousand, four hundred ninety-four".