136289339 has 4 divisors (see below), whose sum is σ = 136378320. Its totient is φ = 136200360.

The previous prime is 136289333. The next prime is 136289369. The reversal of 136289339 is 933982631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 933982631 = 2797 ⋅333923.

It is a cyclic number.

It is not a de Polignac number, because 136289339 - 2¹⁶ = 136223803 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 136289339.

It is not an unprimeable number, because it can be changed into a prime (136289333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42152 + ... + 45269.

It is an arithmetic number, because the mean of its divisors is an integer number (34094580).

Almost surely, 2^136289339 is an apocalyptic number.

136289339 is a deficient number, since it is larger than the sum of its proper divisors (88981).

136289339 is an equidigital number, since it uses as much as digits as its factorization.

136289339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88980.

The product of its digits is 209952, while the sum is 44.

The square root of 136289339 is about 11674.3025059316. The cubic root of 136289339 is about 514.6207519888.

The spelling of 136289339 in words is "one hundred thirty-six million, two hundred eighty-nine thousand, three hundred thirty-nine".