136826747 has 16 divisors (see below), whose sum is σ = 145774080. Its totient is φ = 128158272.

The previous prime is 136826743. The next prime is 136826759. The reversal of 136826747 is 747628631.

It is a cyclic number.

It is not a de Polignac number, because 136826747 - 2² = 136826743 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136826698 and 136826707.

It is not an unprimeable number, because it can be changed into a prime (136826741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 380954 + ... + 381312.

It is an arithmetic number, because the mean of its divisors is an integer number (9110880).

Almost surely, 2^136826747 is an apocalyptic number.

136826747 is a deficient number, since it is larger than the sum of its proper divisors (8947333).

136826747 is a wasteful number, since it uses less digits than its factorization.

136826747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682.

The product of its digits is 338688, while the sum is 44.

The square root of 136826747 is about 11697.2965680109. The cubic root of 136826747 is about 515.2962721692.

The spelling of 136826747 in words is "one hundred thirty-six million, eight hundred twenty-six thousand, seven hundred forty-seven".