135582877 has 2 divisors, whose sum is σ = 135582878. Its totient is φ = 135582876.

The previous prime is 135582847. The next prime is 135582893. The reversal of 135582877 is 778285531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88096996 + 47485881 = 9386^2 + 6891^2 .

It is a cyclic number.

It is not a de Polignac number, because 135582877 - 2²⁷ = 1365149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135582847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67791438 + 67791439.

It is an arithmetic number, because the mean of its divisors is an integer number (67791439).

Almost surely, 2^135582877 is an apocalyptic number.

It is an amenable number.

135582877 is a deficient number, since it is larger than the sum of its proper divisors (1).

135582877 is an equidigital number, since it uses as much as digits as its factorization.

135582877 is an evil number, because the sum of its binary digits is even.

The product of its digits is 470400, while the sum is 46.

The square root of 135582877 is about 11644.0060546188. The cubic root of 135582877 is about 513.7300244619.

The spelling of 135582877 in words is "one hundred thirty-five million, five hundred eighty-two thousand, eight hundred seventy-seven".