136435838 has 16 divisors (see below), whose sum is σ = 255153024. Its totient is φ = 53156760.

The previous prime is 136435813. The next prime is 136435841. The reversal of 136435838 is 838534631.

It is a super-2 number, since 2×136435838² = 37229475781524488, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 136435795 and 136435804.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 442820 + ... + 443127.

It is an arithmetic number, because the mean of its divisors is an integer number (15947064).

Almost surely, 2^136435838 is an apocalyptic number.

136435838 is a deficient number, since it is larger than the sum of its proper divisors (118717186).

136435838 is a wasteful number, since it uses less digits than its factorization.

136435838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885967.

The product of its digits is 207360, while the sum is 41.

The square root of 136435838 is about 11680.5752426839. The cubic root of 136435838 is about 514.8050765764.

The spelling of 136435838 in words is "one hundred thirty-six million, four hundred thirty-five thousand, eight hundred thirty-eight".