705410138 has 32 divisors (see below), whose sum is σ = 1171532160. Its totient is φ = 316856320.

The previous prime is 705410129. The next prime is 705410201. The reversal of 705410138 is 831014507.

It is a self number, because there is not a number n which added to its sum of digits gives 705410138.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 725993 + ... + 726963.

It is an arithmetic number, because the mean of its divisors is an integer number (36610380).

Almost surely, 2^705410138 is an apocalyptic number.

705410138 is a deficient number, since it is larger than the sum of its proper divisors (466122022).

705410138 is a wasteful number, since it uses less digits than its factorization.

705410138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1942.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 705410138 is about 26559.5583171106. The cubic root of 705410138 is about 890.1856019935.

The spelling of 705410138 in words is "seven hundred five million, four hundred ten thousand, one hundred thirty-eight".