943397139 has 16 divisors (see below), whose sum is σ = 1324743680. Its totient is φ = 595524960.

The previous prime is 943397137. The next prime is 943397153. The reversal of 943397139 is 931793349.

It is not a de Polignac number, because 943397139 - 2¹ = 943397137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (943397131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171774 + ... + 177180.

It is an arithmetic number, because the mean of its divisors is an integer number (82796480).

Almost surely, 2^943397139 is an apocalyptic number.

943397139 is a deficient number, since it is larger than the sum of its proper divisors (381346541).

943397139 is a wasteful number, since it uses less digits than its factorization.

943397139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8490.

The product of its digits is 551124, while the sum is 48.

The square root of 943397139 is about 30714.7706974999. The cubic root of 943397139 is about 980.7647574213.

The spelling of 943397139 in words is "nine hundred forty-three million, three hundred ninety-seven thousand, one hundred thirty-nine".