8505039132 has 36 divisors (see below), whose sum is σ = 21503401920. Its totient is φ = 2834412672.

The previous prime is 8505039121. The next prime is 8505039143. The reversal of 8505039132 is 2319305058.

It is an interprime number because it is at equal distance from previous prime (8505039121) and next prime (8505039143).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 167668 + ... + 212420.

It is an arithmetic number, because the mean of its divisors is an integer number (597316720).

Almost surely, 2^8505039132 is an apocalyptic number.

It is an amenable number.

8505039132 is an abundant number, since it is smaller than the sum of its proper divisors (12998362788).

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

8505039132 is a wasteful number, since it uses less digits than its factorization.

8505039132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50042 (or 50037 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 8505039132 is about 92222.7690540682. The cubic root of 8505039132 is about 2041.2307653836.

The spelling of 8505039132 in words is "eight billion, five hundred five million, thirty-nine thousand, one hundred thirty-two".