135079760 has 20 divisors (see below), whose sum is σ = 314060628. Its totient is φ = 54031872.

The previous prime is 135079751. The next prime is 135079823. The reversal of 135079760 is 67970531.

It can be written as a sum of positive squares in 2 ways, for example, as 68624656 + 66455104 = 8284^2 + 8152^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 844169 + ... + 844328.

Almost surely, 2^135079760 is an apocalyptic number.

135079760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135079760 is an abundant number, since it is smaller than the sum of its proper divisors (178980868).

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

135079760 is a wasteful number, since it uses less digits than its factorization.

135079760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1688510 (or 1688504 counting only the distinct ones).

The product of its (nonzero) digits is 39690, while the sum is 38.

The square root of 135079760 is about 11622.3818557127. The cubic root of 135079760 is about 513.0937920255.

The spelling of 135079760 in words is "one hundred thirty-five million, seventy-nine thousand, seven hundred sixty".