613142856 has 48 divisors (see below), whose sum is σ = 1666064400. Its totient is φ = 203707872.

The previous prime is 613142833. The next prime is 613142857. The reversal of 613142856 is 658241316.

It is a happy number.

613142856 is a `hidden beast` number, since 61 + 314 + 285 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 613142856.

It is not an unprimeable number, because it can be changed into a prime (613142857) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8235 + ... + 35973.

It is an arithmetic number, because the mean of its divisors is an integer number (34709675).

Almost surely, 2^613142856 is an apocalyptic number.

It is an amenable number.

613142856 is an abundant number, since it is smaller than the sum of its proper divisors (1052921544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

613142856 is a wasteful number, since it uses less digits than its factorization.

613142856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28058 (or 28051 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 613142856 is about 24761.7215879672. The cubic root of 613142856 is about 849.5466352790.

The spelling of 613142856 in words is "six hundred thirteen million, one hundred forty-two thousand, eight hundred fifty-six".