135248677 has 2 divisors, whose sum is σ = 135248678. Its totient is φ = 135248676.

The previous prime is 135248647. The next prime is 135248689. The reversal of 135248677 is 776842531.

135248677 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72743841 + 62504836 = 8529^2 + 7906^2 .

It is a cyclic number.

It is not a de Polignac number, because 135248677 - 2²⁷ = 1030949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135248647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67624338 + 67624339.

It is an arithmetic number, because the mean of its divisors is an integer number (67624339).

Almost surely, 2^135248677 is an apocalyptic number.

It is an amenable number.

135248677 is a deficient number, since it is larger than the sum of its proper divisors (1).

135248677 is an equidigital number, since it uses as much as digits as its factorization.

135248677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 43.

The square root of 135248677 is about 11629.6464692612. The cubic root of 135248677 is about 513.3075772295.

It can be divided in two parts, 13524 and 8677, that added together give a square (22201 = 149²).

The spelling of 135248677 in words is "one hundred thirty-five million, two hundred forty-eight thousand, six hundred seventy-seven".