136643514 has 16 divisors (see below), whose sum is σ = 312328128. Its totient is φ = 39040992.

The previous prime is 136643489. The next prime is 136643519. The reversal of 136643514 is 415346631.

136643514 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (136643519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1626667 + ... + 1626750.

It is an arithmetic number, because the mean of its divisors is an integer number (19520508).

Almost surely, 2^136643514 is an apocalyptic number.

136643514 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

136643514 is an abundant number, since it is smaller than the sum of its proper divisors (175684614).

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

136643514 is a wasteful number, since it uses less digits than its factorization.

136643514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3253429.

The product of its digits is 25920, while the sum is 33.

The square root of 136643514 is about 11689.4616642513. The cubic root of 136643514 is about 515.0661479115.

The spelling of 136643514 in words is "one hundred thirty-six million, six hundred forty-three thousand, five hundred fourteen".