136784039 has 12 divisors (see below), whose sum is σ = 164604600. Its totient is φ = 113199408.

The previous prime is 136784029. The next prime is 136784047. The reversal of 136784039 is 930487631.

It is not a de Polignac number, because 136784039 - 2¹⁶ = 136718503 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136783987 and 136784005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136784029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46709 + ... + 49550.

It is an arithmetic number, because the mean of its divisors is an integer number (13717050).

Almost surely, 2^136784039 is an apocalyptic number.

136784039 is a deficient number, since it is larger than the sum of its proper divisors (27820561).

136784039 is an equidigital number, since it uses as much as digits as its factorization.

136784039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96302 (or 96295 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 136784039 is about 11695.4708755142. The cubic root of 136784039 is about 515.2426531125.

The spelling of 136784039 in words is "one hundred thirty-six million, seven hundred eighty-four thousand, thirty-nine".