871490132 has 6 divisors (see below), whose sum is σ = 1525107738. Its totient is φ = 435745064.

The previous prime is 871490111. The next prime is 871490141. The reversal of 871490132 is 231094178.

It can be written as a sum of positive squares in only one way, i.e., 831976336 + 39513796 = 28844^2 + 6286^2 .

It is a junction number, because it is equal to n+sod(n) for n = 871490092 and 871490101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108936263 + ... + 108936270.

It is an arithmetic number, because the mean of its divisors is an integer number (254184623).

Almost surely, 2^871490132 is an apocalyptic number.

It is an amenable number.

871490132 is a deficient number, since it is larger than the sum of its proper divisors (653617606).

871490132 is a wasteful number, since it uses less digits than its factorization.

871490132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217872537 (or 217872535 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 871490132 is about 29521.0117035308. The cubic root of 871490132 is about 955.1849945432.

The spelling of 871490132 in words is "eight hundred seventy-one million, four hundred ninety thousand, one hundred thirty-two".