135091080 has 48 divisors (see below), whose sum is σ = 439047180. Its totient is φ = 36024192.

The previous prime is 135091069. The next prime is 135091081. The reversal of 135091080 is 80190531.

It can be written as a sum of positive squares in 2 ways, for example, as 127373796 + 7717284 = 11286^2 + 2778^2 .

It is not an unprimeable number, because it can be changed into a prime (135091081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 187267 + ... + 187986.

Almost surely, 2^135091080 is an apocalyptic number.

135091080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135091080 is an abundant number, since it is smaller than the sum of its proper divisors (303956100).

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

135091080 is a wasteful number, since it uses less digits than its factorization.

135091080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375270 (or 375263 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 135091080 is about 11622.8688369094. The cubic root of 135091080 is about 513.1081244453.

The spelling of 135091080 in words is "one hundred thirty-five million, ninety-one thousand, eighty".