136500015 has 16 divisors (see below), whose sum is σ = 219218400. Its totient is φ = 72527232.

The previous prime is 136499983. The next prime is 136500031. The reversal of 136500015 is 510005631.

It is a happy number.

It is not a de Polignac number, because 136500015 - 2⁵ = 136499983 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 136499964 and 136500000.

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 15 ways as a sum of consecutive naturals, for example, 12880 + ... + 20949.

It is an arithmetic number, because the mean of its divisors is an integer number (13701150).

Almost surely, 2^136500015 is an apocalyptic number.

136500015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

136500015 is a deficient number, since it is larger than the sum of its proper divisors (82718385).

136500015 is a wasteful number, since it uses less digits than its factorization.

136500015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34106.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 136500015 is about 11683.3220874886. The cubic root of 136500015 is about 514.8857823181.

Adding to 136500015 its reverse (510005631), we get a palindrome (646505646).

The spelling of 136500015 in words is "one hundred thirty-six million, five hundred thousand, fifteen".