136305039 has 8 divisors (see below), whose sum is σ = 195720112. Its totient is φ = 83880000.

The previous prime is 136305023. The next prime is 136305073. The reversal of 136305039 is 930503631.

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

It is not a de Polignac number, because 136305039 - 2⁴ = 136305023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136304997 and 136305015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136305739) 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, 1747462 + ... + 1747539.

It is an arithmetic number, because the mean of its divisors is an integer number (24465014).

Almost surely, 2^136305039 is an apocalyptic number.

136305039 is a deficient number, since it is larger than the sum of its proper divisors (59415073).

136305039 is a wasteful number, since it uses less digits than its factorization.

136305039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3495017.

The product of its (nonzero) digits is 7290, while the sum is 30.

The square root of 136305039 is about 11674.9749036133. The cubic root of 136305039 is about 514.6405119975.

The spelling of 136305039 in words is "one hundred thirty-six million, three hundred five thousand, thirty-nine".