941139685 has 4 divisors (see below), whose sum is σ = 1129367628. Its totient is φ = 752911744.

The previous prime is 941139677. The next prime is 941139701. The reversal of 941139685 is 586931149.

It is a Cunningham number, because it is equal to 30678²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 338780836 + 602358849 = 18406^2 + 24543^2 .

It is a cyclic number.

It is not a de Polignac number, because 941139685 - 2³ = 941139677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94113964 + ... + 94113973.

It is an arithmetic number, because the mean of its divisors is an integer number (282341907).

Almost surely, 2^941139685 is an apocalyptic number.

It is an amenable number.

941139685 is a deficient number, since it is larger than the sum of its proper divisors (188227943).

941139685 is a wasteful number, since it uses less digits than its factorization.

941139685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188227942.

The product of its digits is 233280, while the sum is 46.

The square root of 941139685 is about 30678.0000162983. Note that the first 4 decimals coincide. The cubic root of 941139685 is about 979.9818422986.

The spelling of 941139685 in words is "nine hundred forty-one million, one hundred thirty-nine thousand, six hundred eighty-five".