135423752 has 16 divisors (see below), whose sum is σ = 254306940. Its totient is φ = 67608576.

The previous prime is 135423749. The next prime is 135423791. The reversal of 135423752 is 257324531.

It can be written as a sum of positive squares in 2 ways, for example, as 134884996 + 538756 = 11614^2 + 734^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7193 + ... + 17960.

Almost surely, 2^135423752 is an apocalyptic number.

It is an amenable number.

135423752 is a deficient number, since it is larger than the sum of its proper divisors (118883188).

135423752 is a wasteful number, since it uses less digits than its factorization.

135423752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25832 (or 25828 counting only the distinct ones).

The product of its digits is 25200, while the sum is 32.

The square root of 135423752 is about 11637.1711339139. The cubic root of 135423752 is about 513.5289683666.

The spelling of 135423752 in words is "one hundred thirty-five million, four hundred twenty-three thousand, seven hundred fifty-two".