135139592 has 32 divisors (see below), whose sum is σ = 290982720. Its totient is φ = 57637440.

The previous prime is 135139591. The next prime is 135139597. The reversal of 135139592 is 295931531.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (135139591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6098 + ... + 17534.

It is an arithmetic number, because the mean of its divisors is an integer number (9093210).

Almost surely, 2^135139592 is an apocalyptic number.

It is an amenable number.

135139592 is an abundant number, since it is smaller than the sum of its proper divisors (155843128).

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

135139592 is a wasteful number, since it uses less digits than its factorization.

135139592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11661 (or 11657 counting only the distinct ones).

The product of its digits is 36450, while the sum is 38.

The square root of 135139592 is about 11624.9555698076. The cubic root of 135139592 is about 513.1695371414.

The spelling of 135139592 in words is "one hundred thirty-five million, one hundred thirty-nine thousand, five hundred ninety-two".