864313142 has 16 divisors (see below), whose sum is σ = 1616378112. Its totient is φ = 336745320.

The previous prime is 864313141. The next prime is 864313171. The reversal of 864313142 is 241313468.

It is a junction number, because it is equal to n+sod(n) for n = 864313099 and 864313108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864313141) 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, 2806058 + ... + 2806365.

It is an arithmetic number, because the mean of its divisors is an integer number (101023632).

Almost surely, 2^864313142 is an apocalyptic number.

864313142 is a deficient number, since it is larger than the sum of its proper divisors (752064970).

864313142 is a wasteful number, since it uses less digits than its factorization.

864313142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5612443.

The product of its digits is 13824, while the sum is 32.

The square root of 864313142 is about 29399.2030844375. The cubic root of 864313142 is about 952.5556825465. Note that the first 3 decimals are identical.

The spelling of 864313142 in words is "eight hundred sixty-four million, three hundred thirteen thousand, one hundred forty-two".