135312152 has 16 divisors (see below), whose sum is σ = 257870400. Its totient is φ = 66546720.

The previous prime is 135312139. The next prime is 135312181. The reversal of 135312152 is 251213531.

It is a happy number.

It is a super-2 number, since 2×135312152² = 36618756957742208, which contains 22 as substring.

It is a congruent number.

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, 138152 + ... + 139127.

It is an arithmetic number, because the mean of its divisors is an integer number (16116900).

Almost surely, 2^135312152 is an apocalyptic number.

It is an amenable number.

135312152 is a deficient number, since it is larger than the sum of its proper divisors (122558248).

135312152 is a wasteful number, since it uses less digits than its factorization.

135312152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277346 (or 277342 counting only the distinct ones).

The product of its digits is 900, while the sum is 23.

The square root of 135312152 is about 11632.3751658894. The cubic root of 135312152 is about 513.3878666227.

Adding to 135312152 its reverse (251213531), we get a palindrome (386525683).

The spelling of 135312152 in words is "one hundred thirty-five million, three hundred twelve thousand, one hundred fifty-two".