5172139934 has 16 divisors (see below), whose sum is σ = 8386066080. Its totient is φ = 2378264160.

The previous prime is 5172139933. The next prime is 5172139943. The reversal of 5172139934 is 4399312715.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5172139933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362762 + ... + 376749.

It is an arithmetic number, because the mean of its divisors is an integer number (524129130).

Almost surely, 2^5172139934 is an apocalyptic number.

5172139934 is a deficient number, since it is larger than the sum of its proper divisors (3213926146).

5172139934 is a wasteful number, since it uses less digits than its factorization.

5172139934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739795.

The product of its digits is 204120, while the sum is 44.

The square root of 5172139934 is about 71917.5912694523. The cubic root of 5172139934 is about 1729.3786328083.

The spelling of 5172139934 in words is "five billion, one hundred seventy-two million, one hundred thirty-nine thousand, nine hundred thirty-four".