136531304619 has 4 divisors (see below), whose sum is σ = 182041739496. Its totient is φ = 91020869744.

The previous prime is 136531304599. The next prime is 136531304627. The reversal of 136531304619 is 916403135631.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 136531304619 - 2⁷ = 136531304491 is a prime.

It is a super-2 number, since 2×136531304619² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (136531304659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22755217434 + ... + 22755217439.

It is an arithmetic number, because the mean of its divisors is an integer number (45510434874).

Almost surely, 2^136531304619 is an apocalyptic number.

136531304619 is a deficient number, since it is larger than the sum of its proper divisors (45510434877).

136531304619 is an equidigital number, since it uses as much as digits as its factorization.

136531304619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45510434876.

The product of its (nonzero) digits is 174960, while the sum is 42.

The spelling of 136531304619 in words is "one hundred thirty-six billion, five hundred thirty-one million, three hundred four thousand, six hundred nineteen".