136272439 has 8 divisors (see below), whose sum is σ = 139866480. Its totient is φ = 132724416.

The previous prime is 136272419. The next prime is 136272449. The reversal of 136272439 is 934272631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 136272439 - 2⁵ = 136272407 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136272398 and 136272407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136272419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5464 + ... + 17389.

It is an arithmetic number, because the mean of its divisors is an integer number (17483310).

Almost surely, 2^136272439 is an apocalyptic number.

136272439 is a deficient number, since it is larger than the sum of its proper divisors (3594041).

136272439 is an equidigital number, since it uses as much as digits as its factorization.

136272439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23009.

The product of its digits is 54432, while the sum is 37.

The square root of 136272439 is about 11673.5786715129. The cubic root of 136272439 is about 514.5994799649.

The spelling of 136272439 in words is "one hundred thirty-six million, two hundred seventy-two thousand, four hundred thirty-nine".