934388139 has 16 divisors (see below), whose sum is σ = 1254984192. Its totient is φ = 618373728.

The previous prime is 934388131. The next prime is 934388177. The reversal of 934388139 is 931883439.

It is not a de Polignac number, because 934388139 - 2³ = 934388131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (934388131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307582 + ... + 310604.

It is an arithmetic number, because the mean of its divisors is an integer number (78436512).

Almost surely, 2^934388139 is an apocalyptic number.

934388139 is a deficient number, since it is larger than the sum of its proper divisors (320596053).

934388139 is a wasteful number, since it uses less digits than its factorization.

934388139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3746.

The product of its digits is 559872, while the sum is 48.

The square root of 934388139 is about 30567.7630683045. The cubic root of 934388139 is about 977.6328189082.

The spelling of 934388139 in words is "nine hundred thirty-four million, three hundred eighty-eight thousand, one hundred thirty-nine".