2136634145237 has 2 divisors, whose sum is σ = 2136634145238. Its totient is φ = 2136634145236.

The previous prime is 2136634145183. The next prime is 2136634145257. The reversal of 2136634145237 is 7325414366312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1709213702161 + 427420443076 = 1307369^2 + 653774^2 .

It is a cyclic number.

It is not a de Polignac number, because 2136634145237 - 2¹² = 2136634141141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2136634145191 and 2136634145200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2136634145257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1068317072618 + 1068317072619.

It is an arithmetic number, because the mean of its divisors is an integer number (1068317072619).

Almost surely, 2^{2136634145237} is an apocalyptic number.

It is an amenable number.

2136634145237 is a deficient number, since it is larger than the sum of its proper divisors (1).

2136634145237 is an equidigital number, since it uses as much as digits as its factorization.

2136634145237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2177280, while the sum is 47.

The spelling of 2136634145237 in words is "two trillion, one hundred thirty-six billion, six hundred thirty-four million, one hundred forty-five thousand, two hundred thirty-seven".