135696479 has 2 divisors, whose sum is σ = 135696480. Its totient is φ = 135696478.

The previous prime is 135696467. The next prime is 135696521. The reversal of 135696479 is 974696531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135696479 - 2¹² = 135692383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135696409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67848239 + 67848240.

It is an arithmetic number, because the mean of its divisors is an integer number (67848240).

Almost surely, 2^135696479 is an apocalyptic number.

135696479 is a deficient number, since it is larger than the sum of its proper divisors (1).

135696479 is an equidigital number, since it uses as much as digits as its factorization.

135696479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1224720, while the sum is 50.

The square root of 135696479 is about 11648.8831653511. The cubic root of 135696479 is about 513.8734655497.

The spelling of 135696479 in words is "one hundred thirty-five million, six hundred ninety-six thousand, four hundred seventy-nine".