136936837619 has 2 divisors, whose sum is σ = 136936837620. Its totient is φ = 136936837618.

The previous prime is 136936837561. The next prime is 136936837621. The reversal of 136936837619 is 916738639631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136936837619 - 2⁸ = 136936837363 is a prime.

It is a super-2 number, since 2×136936837619² (a number of 23 digits) contains 22 as substring.

Together with 136936837621, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (136936837669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68468418809 + 68468418810.

It is an arithmetic number, because the mean of its divisors is an integer number (68468418810).

Almost surely, 2^136936837619 is an apocalyptic number.

136936837619 is a deficient number, since it is larger than the sum of its proper divisors (1).

136936837619 is an equidigital number, since it uses as much as digits as its factorization.

136936837619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26453952, while the sum is 62.

The spelling of 136936837619 in words is "one hundred thirty-six billion, nine hundred thirty-six million, eight hundred thirty-seven thousand, six hundred nineteen".