8134636172237 has 2 divisors, whose sum is σ = 8134636172238. Its totient is φ = 8134636172236.

The previous prime is 8134636172219. The next prime is 8134636172251. The reversal of 8134636172237 is 7322716364318.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5584246336201 + 2550389836036 = 2363101^2 + 1596994^2 .

It is a cyclic number.

It is not a de Polignac number, because 8134636172237 - 2²² = 8134631977933 is a prime.

It is a super-2 number, since 2×8134636172237² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8134636172207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4067318086118 + 4067318086119.

It is an arithmetic number, because the mean of its divisors is an integer number (4067318086119).

Almost surely, 2^{8134636172237} is an apocalyptic number.

It is an amenable number.

8134636172237 is a deficient number, since it is larger than the sum of its proper divisors (1).

8134636172237 is an equidigital number, since it uses as much as digits as its factorization.

8134636172237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6096384, while the sum is 53.

The spelling of 8134636172237 in words is "eight trillion, one hundred thirty-four billion, six hundred thirty-six million, one hundred seventy-two thousand, two hundred thirty-seven".