135081607 has 2 divisors, whose sum is σ = 135081608. Its totient is φ = 135081606.

The previous prime is 135081563. The next prime is 135081613. The reversal of 135081607 is 706180531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135081607 - 2¹⁵ = 135048839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135081647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67540803 + 67540804.

It is an arithmetic number, because the mean of its divisors is an integer number (67540804).

Almost surely, 2^135081607 is an apocalyptic number.

135081607 is a deficient number, since it is larger than the sum of its proper divisors (1).

135081607 is an equidigital number, since it uses as much as digits as its factorization.

135081607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 135081607 is about 11622.4613141967. The cubic root of 135081607 is about 513.0961305942.

The spelling of 135081607 in words is "one hundred thirty-five million, eighty-one thousand, six hundred seven".