136357619 has 2 divisors, whose sum is σ = 136357620. Its totient is φ = 136357618.

The previous prime is 136357609. The next prime is 136357621. The reversal of 136357619 is 916753631.

It is a strong prime.

It is an emirp because it is prime and its reverse (916753631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136357619 - 2⁴ = 136357603 is a prime.

It is a super-2 number, since 2×136357619² = 37186800518698322, which contains 22 as substring.

Together with 136357621, 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 (136357609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68178809 + 68178810.

It is an arithmetic number, because the mean of its divisors is an integer number (68178810).

Almost surely, 2^136357619 is an apocalyptic number.

136357619 is a deficient number, since it is larger than the sum of its proper divisors (1).

136357619 is an equidigital number, since it uses as much as digits as its factorization.

136357619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 102060, while the sum is 41.

The square root of 136357619 is about 11677.2265114624. The cubic root of 136357619 is about 514.7066780996.

The spelling of 136357619 in words is "one hundred thirty-six million, three hundred fifty-seven thousand, six hundred nineteen".