5138691292 has 24 divisors (see below), whose sum is σ = 10279374336. Its totient is φ = 2201869488.

The previous prime is 5138691209. The next prime is 5138691293. The reversal of 5138691292 is 2921968315.

It is a super-2 number, since 2×5138691292² = 52812296388953258528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5138691293) 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, 160713 + ... + 190015.

It is an arithmetic number, because the mean of its divisors is an integer number (428307264).

Almost surely, 2^5138691292 is an apocalyptic number.

It is an amenable number.

5138691292 is an abundant number, since it is smaller than the sum of its proper divisors (5140683044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5138691292 is a wasteful number, since it uses less digits than its factorization.

5138691292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35577 (or 35575 counting only the distinct ones).

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

The square root of 5138691292 is about 71684.6656684678. The cubic root of 5138691292 is about 1725.6425574549.

The spelling of 5138691292 in words is "five billion, one hundred thirty-eight million, six hundred ninety-one thousand, two hundred ninety-two".