2136596987 has 8 divisors (see below), whose sum is σ = 2570342400. Its totient is φ = 1734980904.

The previous prime is 2136596977. The next prime is 2136596989. The reversal of 2136596987 is 7896956312.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2136596987 - 2¹² = 2136592891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2136596989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8032187 + ... + 8032452.

It is an arithmetic number, because the mean of its divisors is an integer number (321292800).

Almost surely, 2^2136596987 is an apocalyptic number.

2136596987 is a deficient number, since it is larger than the sum of its proper divisors (433745413).

2136596987 is a wasteful number, since it uses less digits than its factorization.

2136596987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16064665.

The product of its digits is 4898880, while the sum is 56.

The square root of 2136596987 is about 46223.3381204776. The cubic root of 2136596987 is about 1287.9753081165.

The spelling of 2136596987 in words is "two billion, one hundred thirty-six million, five hundred ninety-six thousand, nine hundred eighty-seven".