136256330 has 32 divisors (see below), whose sum is σ = 283461120. Its totient is φ = 46189440.

The previous prime is 136256321. The next prime is 136256333. The reversal of 136256330 is 33652631.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 136256293 and 136256302.

It is not an unprimeable number, because it can be changed into a prime (136256333) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4706 + ... + 17165.

It is an arithmetic number, because the mean of its divisors is an integer number (8858160).

Almost surely, 2^136256330 is an apocalyptic number.

136256330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136256330 is an abundant number, since it is smaller than the sum of its proper divisors (147204790).

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

136256330 is a wasteful number, since it uses less digits than its factorization.

136256330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21974.

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 136256330 is about 11672.8886741886. Note that the first 3 decimals coincide. The cubic root of 136256330 is about 514.5792019352.

The spelling of 136256330 in words is "one hundred thirty-six million, two hundred fifty-six thousand, three hundred thirty".