136368941 has 2 divisors, whose sum is σ = 136368942. Its totient is φ = 136368940.

The previous prime is 136368937. The next prime is 136368943. The reversal of 136368941 is 149863631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129846025 + 6522916 = 11395^2 + 2554^2 .

It is a cyclic number.

It is not a de Polignac number, because 136368941 - 2² = 136368937 is a prime.

It is a super-2 number, since 2×136368941² = 37192976138922962, which contains 22 as substring.

Together with 136368943, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136368943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68184470 + 68184471.

It is an arithmetic number, because the mean of its divisors is an integer number (68184471).

Almost surely, 2^136368941 is an apocalyptic number.

It is an amenable number.

136368941 is a deficient number, since it is larger than the sum of its proper divisors (1).

136368941 is an equidigital number, since it uses as much as digits as its factorization.

136368941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 41.

The square root of 136368941 is about 11677.7112911735. The cubic root of 136368941 is about 514.7209233560.

The spelling of 136368941 in words is "one hundred thirty-six million, three hundred sixty-eight thousand, nine hundred forty-one".