135629797 has 2 divisors, whose sum is σ = 135629798. Its totient is φ = 135629796.

The previous prime is 135629749. The next prime is 135629821. The reversal of 135629797 is 797926531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135349956 + 279841 = 11634^2 + 529^2 .

It is an emirp because it is prime and its reverse (797926531) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135629797 is a prime.

It is a super-2 number, since 2×135629797² = 36790883668522418, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135629797.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135629707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67814898 + 67814899.

It is an arithmetic number, because the mean of its divisors is an integer number (67814899).

Almost surely, 2^135629797 is an apocalyptic number.

It is an amenable number.

135629797 is a deficient number, since it is larger than the sum of its proper divisors (1).

135629797 is an equidigital number, since it uses as much as digits as its factorization.

135629797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 714420, while the sum is 49.

The square root of 135629797 is about 11646.0206508489. The cubic root of 135629797 is about 513.7892783375.

The spelling of 135629797 in words is "one hundred thirty-five million, six hundred twenty-nine thousand, seven hundred ninety-seven".