135259590 has 16 divisors (see below), whose sum is σ = 324623088. Its totient is φ = 36069216.

The previous prime is 135259589. The next prime is 135259601. The reversal of 135259590 is 95952531.

135259590 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 2254297 + ... + 2254356.

It is an arithmetic number, because the mean of its divisors is an integer number (20288943).

Almost surely, 2^135259590 is an apocalyptic number.

135259590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135259590 is an abundant number, since it is smaller than the sum of its proper divisors (189363498).

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

135259590 is a wasteful number, since it uses less digits than its factorization.

135259590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4508663.

The product of its (nonzero) digits is 60750, while the sum is 39.

The square root of 135259590 is about 11630.1156486081. The cubic root of 135259590 is about 513.3213828480.

The spelling of 135259590 in words is "one hundred thirty-five million, two hundred fifty-nine thousand, five hundred ninety".