2136317890 has 32 divisors (see below), whose sum is σ = 4396449024. Its totient is φ = 732162240.

The previous prime is 2136317879. The next prime is 2136317893. The reversal of 2136317890 is 987136312.

It is not an unprimeable number, because it can be changed into a prime (2136317893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248260 + ... + 256720.

It is an arithmetic number, because the mean of its divisors is an integer number (137389032).

Almost surely, 2^2136317890 is an apocalyptic number.

2136317890 is an abundant number, since it is smaller than the sum of its proper divisors (2260131134).

2136317890 is a wasteful number, since it uses less digits than its factorization.

2136317890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12082.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 2136317890 is about 46220.3190166403. The cubic root of 2136317890 is about 1287.9192242754.

The spelling of 2136317890 in words is "two billion, one hundred thirty-six million, three hundred seventeen thousand, eight hundred ninety".