120135915013 has 2 divisors, whose sum is σ = 120135915014. Its totient is φ = 120135915012.

The previous prime is 120135915001. The next prime is 120135915037. The reversal of 120135915013 is 310519531021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113207350369 + 6928564644 = 336463^2 + 83238^2 .

It is a cyclic number.

It is not a de Polignac number, because 120135915013 - 2³³ = 111545980421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120135915073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60067957506 + 60067957507.

It is an arithmetic number, because the mean of its divisors is an integer number (60067957507).

Almost surely, 2^120135915013 is an apocalyptic number.

It is an amenable number.

120135915013 is a deficient number, since it is larger than the sum of its proper divisors (1).

120135915013 is an equidigital number, since it uses as much as digits as its factorization.

120135915013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4050, while the sum is 31.

The spelling of 120135915013 in words is "one hundred twenty billion, one hundred thirty-five million, nine hundred fifteen thousand, thirteen".