871463136 has 24 divisors (see below), whose sum is σ = 2287590984. Its totient is φ = 290487680.

The previous prime is 871463113. The next prime is 871463149. The reversal of 871463136 is 631364178.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 871463094 and 871463103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4538775 + ... + 4538966.

It is an arithmetic number, because the mean of its divisors is an integer number (95316291).

Almost surely, 2^871463136 is an apocalyptic number.

It is an amenable number.

871463136 is an abundant number, since it is smaller than the sum of its proper divisors (1416127848).

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

871463136 is a wasteful number, since it uses less digits than its factorization.

871463136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9077754 (or 9077746 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 871463136 is about 29520.5544663375. The cubic root of 871463136 is about 955.1751315743.

The spelling of 871463136 in words is "eight hundred seventy-one million, four hundred sixty-three thousand, one hundred thirty-six".