512420135 has 8 divisors (see below), whose sum is σ = 623565216. Its totient is φ = 404162080.

The previous prime is 512420123. The next prime is 512420143. The reversal of 512420135 is 531024215.

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

It is not a de Polignac number, because 512420135 - 2⁴ = 512420119 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 512420135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 721364 + ... + 722073.

It is an arithmetic number, because the mean of its divisors is an integer number (77945652).

Almost surely, 2^512420135 is an apocalyptic number.

512420135 is a deficient number, since it is larger than the sum of its proper divisors (111145081).

512420135 is a wasteful number, since it uses less digits than its factorization.

512420135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443513.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 512420135 is about 22636.6988538523. The cubic root of 512420135 is about 800.2187604869.

The spelling of 512420135 in words is "five hundred twelve million, four hundred twenty thousand, one hundred thirty-five".