135308670 has 32 divisors (see below), whose sum is σ = 371132928. Its totient is φ = 30927648.

The previous prime is 135308647. The next prime is 135308681. The reversal of 135308670 is 76803531.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321954 + ... + 322373.

It is an arithmetic number, because the mean of its divisors is an integer number (11597904).

Almost surely, 2^135308670 is an apocalyptic number.

135308670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135308670 is an abundant number, since it is smaller than the sum of its proper divisors (235824258).

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

135308670 is a wasteful number, since it uses less digits than its factorization.

135308670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644344.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 135308670 is about 11632.2254964388. The cubic root of 135308670 is about 513.3834628993.

The spelling of 135308670 in words is "one hundred thirty-five million, three hundred eight thousand, six hundred seventy".