939247133 has 6 divisors (see below), whose sum is σ = 1032395742. Its totient is φ = 853860920.

The previous prime is 939247123. The next prime is 939247139. The reversal of 939247133 is 331742939.

It can be written as a sum of positive squares in only one way, i.e., 492262969 + 446984164 = 22187^2 + 21142^2 .

It is not a de Polignac number, because 939247133 - 2⁶ = 939247069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (939247139) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3881066 + ... + 3881307.

It is an arithmetic number, because the mean of its divisors is an integer number (172065957).

Almost surely, 2^939247133 is an apocalyptic number.

It is an amenable number.

939247133 is a deficient number, since it is larger than the sum of its proper divisors (93148609).

939247133 is a wasteful number, since it uses less digits than its factorization.

939247133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7762395 (or 7762384 counting only the distinct ones).

The product of its digits is 122472, while the sum is 41.

The square root of 939247133 is about 30647.1390671299. The cubic root of 939247133 is about 979.3245147314.

The spelling of 939247133 in words is "nine hundred thirty-nine million, two hundred forty-seven thousand, one hundred thirty-three".