136036429 has 4 divisors (see below), whose sum is σ = 136465884. Its totient is φ = 135606976.

The previous prime is 136036423. The next prime is 136036441. The reversal of 136036429 is 924630631.

136036429 = T₃₁₂ + T₃₁₃ + ... + T₉₄₅.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 924630631 = 619 ⋅1493749.

It can be written as a sum of positive squares in 2 ways, for example, as 47582404 + 88454025 = 6898^2 + 9405^2 .

It is a cyclic number.

It is not a de Polignac number, because 136036429 - 2¹⁵ = 136003661 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136036394 and 136036403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136036423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214252 + ... + 214885.

It is an arithmetic number, because the mean of its divisors is an integer number (34116471).

Almost surely, 2^136036429 is an apocalyptic number.

It is an amenable number.

136036429 is a deficient number, since it is larger than the sum of its proper divisors (429455).

136036429 is an equidigital number, since it uses as much as digits as its factorization.

136036429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429454.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 136036429 is about 11663.4655656027. The cubic root of 136036429 is about 514.3022303154.

The spelling of 136036429 in words is "one hundred thirty-six million, thirty-six thousand, four hundred twenty-nine".