136381838 has 16 divisors (see below), whose sum is σ = 212112000. Its totient is φ = 65688672.

The previous prime is 136381813. The next prime is 136381849. The reversal of 136381838 is 838183631.

It is a junction number, because it is equal to n+sod(n) for n = 136381795 and 136381804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25328 + ... + 30236.

It is an arithmetic number, because the mean of its divisors is an integer number (13257000).

Almost surely, 2^136381838 is an apocalyptic number.

136381838 is a deficient number, since it is larger than the sum of its proper divisors (75730162).

136381838 is a wasteful number, since it uses less digits than its factorization.

136381838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5419.

The product of its digits is 82944, while the sum is 41.

The square root of 136381838 is about 11678.2634839260. The cubic root of 136381838 is about 514.7371493051.

The spelling of 136381838 in words is "one hundred thirty-six million, three hundred eighty-one thousand, eight hundred thirty-eight".