120135513 has 8 divisors (see below), whose sum is σ = 160232800. Its totient is φ = 80064288.

The previous prime is 120135511. The next prime is 120135517. The reversal of 120135513 is 315531021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120135513 - 2¹ = 120135511 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120135513.

It is not an unprimeable number, because it can be changed into a prime (120135511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10878 + ... + 18936.

It is an arithmetic number, because the mean of its divisors is an integer number (20029100).

Almost surely, 2^120135513 is an apocalyptic number.

It is an amenable number.

120135513 is a deficient number, since it is larger than the sum of its proper divisors (40097287).

120135513 is an equidigital number, since it uses as much as digits as its factorization.

120135513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13031.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 120135513 is about 10960.6346987754. The cubic root of 120135513 is about 493.4280137956.

Adding to 120135513 its reverse (315531021), we get a palindrome (435666534).

The spelling of 120135513 in words is "one hundred twenty million, one hundred thirty-five thousand, five hundred thirteen".