8142509936 has 40 divisors (see below), whose sum is σ = 17446090224. Its totient is φ = 3650434560.

The previous prime is 8142509927. The next prime is 8142509951. The reversal of 8142509936 is 6399052418.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304031 + ... + 329726.

Almost surely, 2^8142509936 is an apocalyptic number.

It is an amenable number.

8142509936 is an abundant number, since it is smaller than the sum of its proper divisors (9303580288).

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

8142509936 is a wasteful number, since it uses less digits than its factorization.

8142509936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633849 (or 633843 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 8142509936 is about 90235.8572630637. The cubic root of 8142509936 is about 2011.8060000531.

The spelling of 8142509936 in words is "eight billion, one hundred forty-two million, five hundred nine thousand, nine hundred thirty-six".