2136571099 has 4 divisors (see below), whose sum is σ = 2300922736. Its totient is φ = 1972219464.

The previous prime is 2136571001. The next prime is 2136571111. The reversal of 2136571099 is 9901756312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2136571099 is a prime.

It is a super-2 number, since 2×2136571099² = 9129872122164135602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2136571799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82175799 + ... + 82175824.

It is an arithmetic number, because the mean of its divisors is an integer number (575230684).

Almost surely, 2^2136571099 is an apocalyptic number.

2136571099 is a deficient number, since it is larger than the sum of its proper divisors (164351637).

2136571099 is a wasteful number, since it uses less digits than its factorization.

2136571099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164351636.

The product of its (nonzero) digits is 102060, while the sum is 43.

The square root of 2136571099 is about 46223.0580879284. The cubic root of 2136571099 is about 1287.9701061935.

The spelling of 2136571099 in words is "two billion, one hundred thirty-six million, five hundred seventy-one thousand, ninety-nine".