135674657 has 2 divisors, whose sum is σ = 135674658. Its totient is φ = 135674656.

The previous prime is 135674653. The next prime is 135674711. The reversal of 135674657 is 756476531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88943761 + 46730896 = 9431^2 + 6836^2 .

It is a cyclic number.

It is not a de Polignac number, because 135674657 - 2² = 135674653 is a prime.

It is a super-2 number, since 2×135674657² = 36815225104135298, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (135674653) 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, 67837328 + 67837329.

It is an arithmetic number, because the mean of its divisors is an integer number (67837329).

Almost surely, 2^135674657 is an apocalyptic number.

It is an amenable number.

135674657 is a deficient number, since it is larger than the sum of its proper divisors (1).

135674657 is an equidigital number, since it uses as much as digits as its factorization.

135674657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 529200, while the sum is 44.

The square root of 135674657 is about 11647.9464713743. The cubic root of 135674657 is about 513.8459179228.

The spelling of 135674657 in words is "one hundred thirty-five million, six hundred seventy-four thousand, six hundred fifty-seven".