136066451 has 2 divisors, whose sum is σ = 136066452. Its totient is φ = 136066450.

The previous prime is 136066439. The next prime is 136066507. The reversal of 136066451 is 154660631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136066451 - 2¹⁰ = 136065427 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (136066951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68033225 + 68033226.

It is an arithmetic number, because the mean of its divisors is an integer number (68033226).

Almost surely, 2^136066451 is an apocalyptic number.

136066451 is a deficient number, since it is larger than the sum of its proper divisors (1).

136066451 is an equidigital number, since it uses as much as digits as its factorization.

136066451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 136066451 is about 11664.7525048755. The cubic root of 136066451 is about 514.3400614708.

The spelling of 136066451 in words is "one hundred thirty-six million, sixty-six thousand, four hundred fifty-one".