2136329197 has 2 divisors, whose sum is σ = 2136329198. Its totient is φ = 2136329196.

The previous prime is 2136329179. The next prime is 2136329203. The reversal of 2136329197 is 7919236312.

Together with previous prime (2136329179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2081731876 + 54597321 = 45626^2 + 7389^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2136329197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2136329137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1068164598 + 1068164599.

It is an arithmetic number, because the mean of its divisors is an integer number (1068164599).

Almost surely, 2^2136329197 is an apocalyptic number.

It is an amenable number.

2136329197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2136329197 is an equidigital number, since it uses as much as digits as its factorization.

2136329197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 122472, while the sum is 43.

The square root of 2136329197 is about 46220.4413328129. The cubic root of 2136329197 is about 1287.9214964836.

The spelling of 2136329197 in words is "two billion, one hundred thirty-six million, three hundred twenty-nine thousand, one hundred ninety-seven".