136514309 has 8 divisors (see below), whose sum is σ = 138858720. Its totient is φ = 134179056.

The previous prime is 136514303. The next prime is 136514351. The reversal of 136514309 is 903415631.

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 136514309 - 2¹⁶ = 136448773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136514303) 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, 32102 + ... + 36104.

It is an arithmetic number, because the mean of its divisors is an integer number (17357340).

Almost surely, 2^136514309 is an apocalyptic number.

It is an amenable number.

136514309 is a deficient number, since it is larger than the sum of its proper divisors (2344411).

136514309 is an equidigital number, since it uses as much as digits as its factorization.

136514309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4579.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 136514309 is about 11683.9337981692. The cubic root of 136514309 is about 514.9037542831.

The spelling of 136514309 in words is "one hundred thirty-six million, five hundred fourteen thousand, three hundred nine".