135144442374 has 16 divisors (see below), whose sum is σ = 270315785712. Its totient is φ = 45043663968.

The previous prime is 135144442373. The next prime is 135144442417. The reversal of 135144442374 is 473244441531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135144442373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1055269 + ... + 1176384.

It is an arithmetic number, because the mean of its divisors is an integer number (16894736607).

Almost surely, 2^135144442374 is an apocalyptic number.

135144442374 is an abundant number, since it is smaller than the sum of its proper divisors (135171343338).

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

135144442374 is a wasteful number, since it uses less digits than its factorization.

135144442374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2241751.

The product of its digits is 645120, while the sum is 42.

The spelling of 135144442374 in words is "one hundred thirty-five billion, one hundred forty-four million, four hundred forty-two thousand, three hundred seventy-four".