136783647919 has 8 divisors (see below), whose sum is σ = 137778336080. Its totient is φ = 135789111936.

The previous prime is 136783647893. The next prime is 136783647941. The reversal of 136783647919 is 919746387631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 136783647919 - 2³³ = 128193713327 is a prime.

It is a super-2 number, since 2×136783647919² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136783657919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2273959 + ... + 2333335.

It is an arithmetic number, because the mean of its divisors is an integer number (17222292010).

Almost surely, 2^136783647919 is an apocalyptic number.

136783647919 is a deficient number, since it is larger than the sum of its proper divisors (994688161).

136783647919 is a wasteful number, since it uses less digits than its factorization.

136783647919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76089.

The product of its digits is 41150592, while the sum is 64.

The spelling of 136783647919 in words is "one hundred thirty-six billion, seven hundred eighty-three million, six hundred forty-seven thousand, nine hundred nineteen".