120132513 has 6 divisors (see below), whose sum is σ = 173524754. Its totient is φ = 80088336.

The previous prime is 120132511. The next prime is 120132527. The reversal of 120132513 is 315231021.

120132513 is a `hidden beast` number, since 1 + 20 + 132 + 513 = 666.

It can be written as a sum of positive squares in only one way, i.e., 88962624 + 31169889 = 9432^2 + 5583^2 .

It is not a de Polignac number, because 120132513 - 2¹ = 120132511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120132511) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6674020 + ... + 6674037.

Almost surely, 2^120132513 is an apocalyptic number.

It is an amenable number.

120132513 is a deficient number, since it is larger than the sum of its proper divisors (53392241).

120132513 is a wasteful number, since it uses less digits than its factorization.

120132513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13348063 (or 13348060 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 120132513 is about 10960.4978445324. The cubic root of 120132513 is about 493.4239064995.

Adding to 120132513 its reverse (315231021), we get a palindrome (435363534).

The spelling of 120132513 in words is "one hundred twenty million, one hundred thirty-two thousand, five hundred thirteen".