135697153 has 2 divisors, whose sum is σ = 135697154. Its totient is φ = 135697152.

The previous prime is 135697147. The next prime is 135697157. The reversal of 135697153 is 351796531.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129777664 + 5919489 = 11392^2 + 2433^2 .

It is an emirp because it is prime and its reverse (351796531) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135697153 is a prime.

It is not a weakly prime, because it can be changed into another prime (135697157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67848576 + 67848577.

It is an arithmetic number, because the mean of its divisors is an integer number (67848577).

Almost surely, 2^135697153 is an apocalyptic number.

It is an amenable number.

135697153 is a deficient number, since it is larger than the sum of its proper divisors (1).

135697153 is an equidigital number, since it uses as much as digits as its factorization.

135697153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 85050, while the sum is 40.

The square root of 135697153 is about 11648.9120951272. The cubic root of 135697153 is about 513.8743163459.

The spelling of 135697153 in words is "one hundred thirty-five million, six hundred ninety-seven thousand, one hundred fifty-three".