7139371589 has 6 divisors (see below), whose sum is σ = 8304983334. Its totient is φ = 6119461320.

The previous prime is 7139371553. The next prime is 7139371607. The reversal of 7139371589 is 9851739317.

It can be written as a sum of positive squares in only one way, i.e., 4676234689 + 2463136900 = 68383^2 + 49630^2 .

It is not a de Polignac number, because 7139371589 - 2⁸ = 7139371333 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7139371589.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7139379589) 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, 72850682 + ... + 72850779.

It is an arithmetic number, because the mean of its divisors is an integer number (1384163889).

Almost surely, 2^7139371589 is an apocalyptic number.

It is an amenable number.

7139371589 is a deficient number, since it is larger than the sum of its proper divisors (1165611745).

7139371589 is a wasteful number, since it uses less digits than its factorization.

7139371589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145701475 (or 145701468 counting only the distinct ones).

The product of its digits is 1428840, while the sum is 53.

The square root of 7139371589 is about 84494.8021419069. The cubic root of 7139371589 is about 1925.5434763005.

The spelling of 7139371589 in words is "seven billion, one hundred thirty-nine million, three hundred seventy-one thousand, five hundred eighty-nine".