117136841 has 2 divisors, whose sum is σ = 117136842. Its totient is φ = 117136840.

The previous prime is 117136823. The next prime is 117136883. The reversal of 117136841 is 148631711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76125625 + 41011216 = 8725^2 + 6404^2 .

It is a cyclic number.

It is not a de Polignac number, because 117136841 - 2¹⁸ = 116874697 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 117136798 and 117136807.

It is not a weakly prime, because it can be changed into another prime (117136801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58568420 + 58568421.

It is an arithmetic number, because the mean of its divisors is an integer number (58568421).

Almost surely, 2^117136841 is an apocalyptic number.

It is an amenable number.

117136841 is a deficient number, since it is larger than the sum of its proper divisors (1).

117136841 is an equidigital number, since it uses as much as digits as its factorization.

117136841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 32.

The square root of 117136841 is about 10822.9774553955. The cubic root of 117136841 is about 489.2879300388.

The spelling of 117136841 in words is "one hundred seventeen million, one hundred thirty-six thousand, eight hundred forty-one".