140679845 has 32 divisors (see below), whose sum is σ = 187930368. Its totient is φ = 100553728.

The previous prime is 140679839. The next prime is 140679863. The reversal of 140679845 is 548976041.

It is a cyclic number.

It is not a de Polignac number, because 140679845 - 2²⁰ = 139631269 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140679796 and 140679805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 443627 + ... + 443943.

It is an arithmetic number, because the mean of its divisors is an integer number (5872824).

Almost surely, 2^140679845 is an apocalyptic number.

It is an amenable number.

140679845 is a deficient number, since it is larger than the sum of its proper divisors (47250523).

140679845 is a wasteful number, since it uses less digits than its factorization.

140679845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 140679845 is about 11860.8534684482. The cubic root of 140679845 is about 520.0885512412.

The spelling of 140679845 in words is "one hundred forty million, six hundred seventy-nine thousand, eight hundred forty-five".