871396137 has 20 divisors (see below), whose sum is σ = 1302968656. Its totient is φ = 580371480.

The previous prime is 871396129. The next prime is 871396157. The reversal of 871396137 is 731693178.

It is not a de Polignac number, because 871396137 - 2³ = 871396129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 871396092 and 871396101.

It is not an unprimeable number, because it can be changed into a prime (871396157) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 90258 + ... + 99444.

Almost surely, 2^871396137 is an apocalyptic number.

It is an amenable number.

871396137 is a deficient number, since it is larger than the sum of its proper divisors (431572519).

871396137 is a wasteful number, since it uses less digits than its factorization.

871396137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10370 (or 10361 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 871396137 is about 29519.4196589296. The cubic root of 871396137 is about 955.1506526582.

The spelling of 871396137 in words is "eight hundred seventy-one million, three hundred ninety-six thousand, one hundred thirty-seven".