136771529 has 2 divisors, whose sum is σ = 136771530. Its totient is φ = 136771528.

The previous prime is 136771493. The next prime is 136771541. The reversal of 136771529 is 925177631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130759225 + 6012304 = 11435^2 + 2452^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136771529 is a prime.

It is a super-2 number, since 2×136771529² = 37412902289995682, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (136771549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68385764 + 68385765.

It is an arithmetic number, because the mean of its divisors is an integer number (68385765).

Almost surely, 2^136771529 is an apocalyptic number.

It is an amenable number.

136771529 is a deficient number, since it is larger than the sum of its proper divisors (1).

136771529 is an equidigital number, since it uses as much as digits as its factorization.

136771529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 79380, while the sum is 41.

The square root of 136771529 is about 11694.9360408683. The cubic root of 136771529 is about 515.2269449394.

The spelling of 136771529 in words is "one hundred thirty-six million, seven hundred seventy-one thousand, five hundred twenty-nine".