513240135 has 16 divisors (see below), whose sum is σ = 843379296. Its totient is φ = 266329728.

The previous prime is 513240121. The next prime is 513240157. The reversal of 513240135 is 531042315.

It is not a de Polignac number, because 513240135 - 2⁶ = 513240071 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 461824 + ... + 462933.

It is an arithmetic number, because the mean of its divisors is an integer number (52711206).

Almost surely, 2^513240135 is an apocalyptic number.

513240135 is a deficient number, since it is larger than the sum of its proper divisors (330139161).

513240135 is a wasteful number, since it uses less digits than its factorization.

513240135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924802.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 513240135 is about 22654.8037952219. The cubic root of 513240135 is about 800.6453828570.

The spelling of 513240135 in words is "five hundred thirteen million, two hundred forty thousand, one hundred thirty-five".