136183381 has 2 divisors, whose sum is σ = 136183382. Its totient is φ = 136183380.

The previous prime is 136183363. The next prime is 136183423. The reversal of 136183381 is 183381631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122456356 + 13727025 = 11066^2 + 3705^2 .

It is an emirp because it is prime and its reverse (183381631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136183381 - 2⁵ = 136183349 is a prime.

It is a super-2 number, since 2×136183381² = 37091826521182322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136183301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68091690 + 68091691.

It is an arithmetic number, because the mean of its divisors is an integer number (68091691).

Almost surely, 2^136183381 is an apocalyptic number.

It is an amenable number.

136183381 is a deficient number, since it is larger than the sum of its proper divisors (1).

136183381 is an equidigital number, since it uses as much as digits as its factorization.

136183381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 34.

The square root of 136183381 is about 11669.7635365932. The cubic root of 136183381 is about 514.4873536293.

The spelling of 136183381 in words is "one hundred thirty-six million, one hundred eighty-three thousand, three hundred eighty-one".