2136717306 has 80 divisors (see below), whose sum is σ = 4869938304. Its totient is φ = 700119936.

The previous prime is 2136717293. The next prime is 2136717307. The reversal of 2136717306 is 6037176312.

It is not an unprimeable number, because it can be changed into a prime (2136717307) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4934466 + ... + 4934898.

Almost surely, 2^2136717306 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2136717306, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2434969152).

2136717306 is an abundant number, since it is smaller than the sum of its proper divisors (2733220998).

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

2136717306 is a wasteful number, since it uses less digits than its factorization.

2136717306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897 (or 888 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 2136717306 is about 46224.6395983787. The cubic root of 2136717306 is about 1287.9994844108. Note that the first 3 decimals are identical.

The spelling of 2136717306 in words is "two billion, one hundred thirty-six million, seven hundred seventeen thousand, three hundred six".