2136190965 has 8 divisors (see below), whose sum is σ = 3417905568. Its totient is φ = 1139301840.

The previous prime is 2136190963. The next prime is 2136190999. The reversal of 2136190965 is 5690916312.

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

It is not a de Polignac number, because 2136190965 - 2¹ = 2136190963 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2136190961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71206351 + ... + 71206380.

It is an arithmetic number, because the mean of its divisors is an integer number (427238196).

Almost surely, 2^2136190965 is an apocalyptic number.

It is an amenable number.

2136190965 is a deficient number, since it is larger than the sum of its proper divisors (1281714603).

2136190965 is a wasteful number, since it uses less digits than its factorization.

2136190965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142412739.

The product of its (nonzero) digits is 87480, while the sum is 42.

The square root of 2136190965 is about 46218.9459529315. The cubic root of 2136190965 is about 1287.8937173996.

The spelling of 2136190965 in words is "two billion, one hundred thirty-six million, one hundred ninety thousand, nine hundred sixty-five".