136304173919 has 2 divisors, whose sum is σ = 136304173920. Its totient is φ = 136304173918.

The previous prime is 136304173909. The next prime is 136304173933. The reversal of 136304173919 is 919371403631.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136304173919 - 2¹⁶ = 136304108383 is a prime.

It is a super-2 number, since 2×136304173919² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136304173909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68152086959 + 68152086960.

It is an arithmetic number, because the mean of its divisors is an integer number (68152086960).

Almost surely, 2^136304173919 is an apocalyptic number.

136304173919 is a deficient number, since it is larger than the sum of its proper divisors (1).

136304173919 is an equidigital number, since it uses as much as digits as its factorization.

136304173919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 367416, while the sum is 47.

The spelling of 136304173919 in words is "one hundred thirty-six billion, three hundred four million, one hundred seventy-three thousand, nine hundred nineteen".