135444413442 has 32 divisors (see below), whose sum is σ = 292001044608. Its totient is φ = 41635973376.

The previous prime is 135444413399. The next prime is 135444413477. The reversal of 135444413442 is 244314444531.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 135444413442.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 733863 + ... + 899690.

It is an arithmetic number, because the mean of its divisors is an integer number (9125032644).

Almost surely, 2^135444413442 is an apocalyptic number.

135444413442 is an abundant number, since it is smaller than the sum of its proper divisors (156556631166).

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

135444413442 is a wasteful number, since it uses less digits than its factorization.

135444413442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1634634.

The product of its digits is 368640, while the sum is 39.

Adding to 135444413442 its reverse (244314444531), we get a palindrome (379758857973).

The spelling of 135444413442 in words is "one hundred thirty-five billion, four hundred forty-four million, four hundred thirteen thousand, four hundred forty-two".