135697547 has 2 divisors, whose sum is σ = 135697548. Its totient is φ = 135697546.

The previous prime is 135697531. The next prime is 135697603. The reversal of 135697547 is 745796531.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135697547 - 2⁴ = 135697531 is a prime.

It is not a weakly prime, because it can be changed into another prime (135697517) 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, 67848773 + 67848774.

It is an arithmetic number, because the mean of its divisors is an integer number (67848774).

Almost surely, 2^135697547 is an apocalyptic number.

135697547 is a deficient number, since it is larger than the sum of its proper divisors (1).

135697547 is an equidigital number, since it uses as much as digits as its factorization.

135697547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 793800, while the sum is 47.

The square root of 135697547 is about 11648.9290065654. The cubic root of 135697547 is about 513.8748136943.

The spelling of 135697547 in words is "one hundred thirty-five million, six hundred ninety-seven thousand, five hundred forty-seven".