136038213 has 24 divisors (see below), whose sum is σ = 200411640. Its totient is φ = 88905600.

The previous prime is 136038193. The next prime is 136038223. The reversal of 136038213 is 312830631.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 110817729 + 25220484 = 10527^2 + 5022^2 .

It is not a de Polignac number, because 136038213 - 2⁵ = 136038181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136038223) 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 23 ways as a sum of consecutive naturals, for example, 98395 + ... + 99767.

It is an arithmetic number, because the mean of its divisors is an integer number (8350485).

Almost surely, 2^136038213 is an apocalyptic number.

It is an amenable number.

136038213 is a deficient number, since it is larger than the sum of its proper divisors (64373427).

136038213 is a wasteful number, since it uses less digits than its factorization.

136038213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1589 (or 1586 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 136038213 is about 11663.5420434789. The cubic root of 136038213 is about 514.3044785151.

Adding to 136038213 its reverse (312830631), we get a palindrome (448868844).

The spelling of 136038213 in words is "one hundred thirty-six million, thirty-eight thousand, two hundred thirteen".