136305842 has 16 divisors (see below), whose sum is σ = 208320000. Its totient is φ = 66871440.

The previous prime is 136305839. The next prime is 136305857. The reversal of 136305842 is 248503631.

It is a junction number, because it is equal to n+sod(n) for n = 136305799 and 136305808.

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, 59759 + ... + 61997.

It is an arithmetic number, because the mean of its divisors is an integer number (13020000).

Almost surely, 2^136305842 is an apocalyptic number.

136305842 is a deficient number, since it is larger than the sum of its proper divisors (72014158).

136305842 is a wasteful number, since it uses less digits than its factorization.

136305842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2801.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 136305842 is about 11675.0092933582. The cubic root of 136305842 is about 514.6415226119.

The spelling of 136305842 in words is "one hundred thirty-six million, three hundred five thousand, eight hundred forty-two".