136052281 has 2 divisors, whose sum is σ = 136052282. Its totient is φ = 136052280.

The previous prime is 136052261. The next prime is 136052317. The reversal of 136052281 is 182250631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134189056 + 1863225 = 11584^2 + 1365^2 .

It is a cyclic number.

It is not a de Polignac number, because 136052281 - 2²⁵ = 102497849 is a prime.

It is a super-2 number, since 2×136052281² = 37020446330605922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (136052221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68026140 + 68026141.

It is an arithmetic number, because the mean of its divisors is an integer number (68026141).

Almost surely, 2^136052281 is an apocalyptic number.

It is an amenable number.

136052281 is a deficient number, since it is larger than the sum of its proper divisors (1).

136052281 is an equidigital number, since it uses as much as digits as its factorization.

136052281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 136052281 is about 11664.1451036928. The cubic root of 136052281 is about 514.3222063428.

The spelling of 136052281 in words is "one hundred thirty-six million, fifty-two thousand, two hundred eighty-one".