2136097816 has 8 divisors (see below), whose sum is σ = 4005183420. Its totient is φ = 1068048904.

The previous prime is 2136097813. The next prime is 2136097829. The reversal of 2136097816 is 6187906312.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2136097813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133506106 + ... + 133506121.

Almost surely, 2^2136097816 is an apocalyptic number.

It is an amenable number.

2136097816 is a deficient number, since it is larger than the sum of its proper divisors (1869085604).

2136097816 is a wasteful number, since it uses less digits than its factorization.

2136097816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267012233 (or 267012229 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 2136097816 is about 46217.9382491257. The cubic root of 2136097816 is about 1287.8749975134.

The spelling of 2136097816 in words is "two billion, one hundred thirty-six million, ninety-seven thousand, eight hundred sixteen".