135478960 has 40 divisors (see below), whose sum is σ = 315511056. Its totient is φ = 54101760.

The previous prime is 135478951. The next prime is 135478961. The reversal of 135478960 is 69874531.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (135478961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69195 + ... + 71125.

Almost surely, 2^135478960 is an apocalyptic number.

135478960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135478960 is an abundant number, since it is smaller than the sum of its proper divisors (180032096).

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

135478960 is a wasteful number, since it uses less digits than its factorization.

135478960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2821 (or 2815 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 135478960 is about 11639.5429463532. The cubic root of 135478960 is about 513.5987420834.

The spelling of 135478960 in words is "one hundred thirty-five million, four hundred seventy-eight thousand, nine hundred sixty".