136577029 has 4 divisors (see below), whose sum is σ = 137284876. Its totient is φ = 135869184.

The previous prime is 136577011. The next prime is 136577039. The reversal of 136577029 is 920775631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 920775631 = 617 ⋅1492343.

It can be written as a sum of positive squares in 2 ways, for example, as 27060804 + 109516225 = 5202^2 + 10465^2 .

It is a cyclic number.

It is not a de Polignac number, because 136577029 - 2¹¹ = 136574981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136576982 and 136577000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136577009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353634 + ... + 354019.

It is an arithmetic number, because the mean of its divisors is an integer number (34321219).

Almost surely, 2^136577029 is an apocalyptic number.

It is an amenable number.

136577029 is a deficient number, since it is larger than the sum of its proper divisors (707847).

136577029 is an equidigital number, since it uses as much as digits as its factorization.

136577029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707846.

The product of its (nonzero) digits is 79380, while the sum is 40.

The square root of 136577029 is about 11686.6175174855. The cubic root of 136577029 is about 514.9825978347.

The spelling of 136577029 in words is "one hundred thirty-six million, five hundred seventy-seven thousand, twenty-nine".