136500013 has 8 divisors (see below), whose sum is σ = 152069400. Its totient is φ = 121654848.

The previous prime is 136499983. The next prime is 136500031. The reversal of 136500013 is 310005631.

It can be written as a sum of positive squares in 4 ways, for example, as 7518564 + 128981449 = 2742^2 + 11357^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 136500013 - 2¹⁷ = 136368941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136500043) 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, 180658 + ... + 181411.

It is an arithmetic number, because the mean of its divisors is an integer number (19008675).

Almost surely, 2^136500013 is an apocalyptic number.

136500013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

136500013 is a deficient number, since it is larger than the sum of its proper divisors (15569387).

136500013 is a wasteful number, since it uses less digits than its factorization.

136500013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362111.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 136500013 is about 11683.3220018965. The cubic root of 136500013 is about 514.8857798033.

Adding to 136500013 its reverse (310005631), we get a palindrome (446505644).

The spelling of 136500013 in words is "one hundred thirty-six million, five hundred thousand, thirteen".