135449215608 has 64 divisors (see below), whose sum is σ = 387189653760. Its totient is φ = 38680586496.

The previous prime is 135449215579. The next prime is 135449215609. The reversal of 135449215608 is 806512944531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135449215609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141660 + ... + 539412.

It is an arithmetic number, because the mean of its divisors is an integer number (6049838340).

Almost surely, 2^135449215608 is an apocalyptic number.

It is an amenable number.

135449215608 is an abundant number, since it is smaller than the sum of its proper divisors (251740438152).

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

135449215608 is a wasteful number, since it uses less digits than its factorization.

135449215608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399796 (or 399792 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 48.

The spelling of 135449215608 in words is "one hundred thirty-five billion, four hundred forty-nine million, two hundred fifteen thousand, six hundred eight".