135245403664 has 80 divisors (see below), whose sum is σ = 303131737216. Its totient is φ = 57256243200.

The previous prime is 135245403659. The next prime is 135245403673. The reversal of 135245403664 is 466304542531.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 135245403664.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5865919 + ... + 5888929.

Almost surely, 2^135245403664 is an apocalyptic number.

135245403664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135245403664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151565868608).

135245403664 is an abundant number, since it is smaller than the sum of its proper divisors (167886333552).

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

135245403664 is a wasteful number, since it uses less digits than its factorization.

135245403664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23664 (or 23658 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 43.

The spelling of 135245403664 in words is "one hundred thirty-five billion, two hundred forty-five million, four hundred three thousand, six hundred sixty-four".