135512516 has 12 divisors (see below), whose sum is σ = 238030380. Its totient is φ = 67503840.

The previous prime is 135512513. The next prime is 135512521. The reversal of 135512516 is 615215531.

It can be written as a sum of positive squares in 2 ways, for example, as 75759616 + 59752900 = 8704^2 + 7730^2 .

It is not an unprimeable number, because it can be changed into a prime (135512513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61895 + ... + 64046.

It is an arithmetic number, because the mean of its divisors is an integer number (19835865).

Almost surely, 2^135512516 is an apocalyptic number.

It is an amenable number.

135512516 is a deficient number, since it is larger than the sum of its proper divisors (102517864).

135512516 is a wasteful number, since it uses less digits than its factorization.

135512516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126214 (or 126212 counting only the distinct ones).

The product of its digits is 4500, while the sum is 29.

The square root of 135512516 is about 11640.9843226421. The cubic root of 135512516 is about 513.6411420169.

The spelling of 135512516 in words is "one hundred thirty-five million, five hundred twelve thousand, five hundred sixteen".