2136707321 has 8 divisors (see below), whose sum is σ = 2443172160. Its totient is φ = 1830547728.

The previous prime is 2136707317. The next prime is 2136707341. The reversal of 2136707321 is 1237076312.

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 2136707321 - 2² = 2136707317 is a prime.

It is a super-2 number, since 2×2136707321² = 9131036351229994082, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2136707311) 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, 61106 + ... + 89483.

It is an arithmetic number, because the mean of its divisors is an integer number (305396520).

Almost surely, 2^2136707321 is an apocalyptic number.

It is an amenable number.

2136707321 is a deficient number, since it is larger than the sum of its proper divisors (306464839).

2136707321 is a wasteful number, since it uses less digits than its factorization.

2136707321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152623.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 2136707321 is about 46224.5315930838. The cubic root of 2136707321 is about 1287.9974781097.

The spelling of 2136707321 in words is "two billion, one hundred thirty-six million, seven hundred seven thousand, three hundred twenty-one".