135432280 has 32 divisors (see below), whose sum is σ = 317973600. Its totient is φ = 51817216.

The previous prime is 135432229. The next prime is 135432313. The reversal of 135432280 is 82234531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72685 + ... + 74524.

It is an arithmetic number, because the mean of its divisors is an integer number (9936675).

Almost surely, 2^135432280 is an apocalyptic number.

135432280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135432280 is an abundant number, since it is smaller than the sum of its proper divisors (182541320).

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

135432280 is a wasteful number, since it uses less digits than its factorization.

135432280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147243 (or 147239 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 135432280 is about 11637.5375402187. The cubic root of 135432280 is about 513.5397475764.

The spelling of 135432280 in words is "one hundred thirty-five million, four hundred thirty-two thousand, two hundred eighty".