8136519240 has 64 divisors (see below), whose sum is σ = 24489178560. Its totient is φ = 2162661120.

The previous prime is 8136519239. The next prime is 8136519263. The reversal of 8136519240 is 429156318.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73591 + ... + 147270.

It is an arithmetic number, because the mean of its divisors is an integer number (382643415).

Almost surely, 2^8136519240 is an apocalyptic number.

It is an amenable number.

8136519240 is an abundant number, since it is smaller than the sum of its proper divisors (16352659320).

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

8136519240 is a wasteful number, since it uses less digits than its factorization.

8136519240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221182 (or 221178 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 8136519240 is about 90202.6565019013. The cubic root of 8136519240 is about 2011.3124964051.

The spelling of 8136519240 in words is "eight billion, one hundred thirty-six million, five hundred nineteen thousand, two hundred forty".