136581234 has 16 divisors (see below), whose sum is σ = 287539680. Its totient is φ = 43130880.

The previous prime is 136581233. The next prime is 136581259. The reversal of 136581234 is 432185631.

It is a junction number, because it is equal to n+sod(n) for n = 136581195 and 136581204.

It is not an unprimeable number, because it can be changed into a prime (136581233) 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, 598927 + ... + 599154.

It is an arithmetic number, because the mean of its divisors is an integer number (17971230).

Almost surely, 2^136581234 is an apocalyptic number.

136581234 is an abundant number, since it is smaller than the sum of its proper divisors (150958446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136581234 is a wasteful number, since it uses less digits than its factorization.

136581234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198105.

The product of its digits is 17280, while the sum is 33.

The square root of 136581234 is about 11686.7974227331. The cubic root of 136581234 is about 514.9878829587.

The spelling of 136581234 in words is "one hundred thirty-six million, five hundred eighty-one thousand, two hundred thirty-four".