135044144502 has 64 divisors (see below), whose sum is σ = 303052881600. Its totient is φ = 39908126720.

The previous prime is 135044144483. The next prime is 135044144509. The reversal of 135044144502 is 205441440531.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135044144509) 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, 435477 + ... + 678032.

It is an arithmetic number, because the mean of its divisors is an integer number (4735201275).

Almost surely, 2^135044144502 is an apocalyptic number.

135044144502 is an abundant number, since it is smaller than the sum of its proper divisors (168008737098).

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

135044144502 is a wasteful number, since it uses less digits than its factorization.

135044144502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113601.

The product of its (nonzero) digits is 38400, while the sum is 33.

The spelling of 135044144502 in words is "one hundred thirty-five billion, forty-four million, one hundred forty-four thousand, five hundred two".