135273960 has 48 divisors (see below), whose sum is σ = 439641540. Its totient is φ = 36072960.

The previous prime is 135273953. The next prime is 135273973. The reversal of 135273960 is 69372531.

It can be written as a sum of positive squares in 2 ways, for example, as 119639844 + 15634116 = 10938^2 + 3954^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 187521 + ... + 188240.

Almost surely, 2^135273960 is an apocalyptic number.

135273960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135273960 is an abundant number, since it is smaller than the sum of its proper divisors (304367580).

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

135273960 is a wasteful number, since it uses less digits than its factorization.

135273960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375778 (or 375771 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The square root of 135273960 is about 11630.7334248533. The cubic root of 135273960 is about 513.3395606523.

The spelling of 135273960 in words is "one hundred thirty-five million, two hundred seventy-three thousand, nine hundred sixty".