136084939 has 4 divisors (see below), whose sum is σ = 137406256. Its totient is φ = 134763624.

The previous prime is 136084913. The next prime is 136084957. The reversal of 136084939 is 939480631.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 136084939 - 2¹⁹ = 135560651 is a prime.

It is a super-2 number, since 2×136084939² = 37038221245267442, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136084895 and 136084904.

It is not an unprimeable number, because it can be changed into a prime (136084909) 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, 660504 + ... + 660709.

It is an arithmetic number, because the mean of its divisors is an integer number (34351564).

Almost surely, 2^136084939 is an apocalyptic number.

136084939 is a deficient number, since it is larger than the sum of its proper divisors (1321317).

136084939 is a wasteful number, since it uses less digits than its factorization.

136084939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321316.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 136084939 is about 11665.5449508371. The cubic root of 136084939 is about 514.3633556978.

The spelling of 136084939 in words is "one hundred thirty-six million, eighty-four thousand, nine hundred thirty-nine".