136794194693 has 8 divisors (see below), whose sum is σ = 150909918936. Its totient is φ = 123191769600.

The previous prime is 136794194653. The next prime is 136794194701. The reversal of 136794194693 is 396491497631.

It can be written as a sum of positive squares in 4 ways, for example, as 261727684 + 136532467009 = 16178^2 + 369503^2 .

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 136794194693 - 2⁸ = 136794194437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136794194623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128324228 + ... + 128325293.

It is an arithmetic number, because the mean of its divisors is an integer number (18863739867).

Almost surely, 2^136794194693 is an apocalyptic number.

136794194693 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

136794194693 is a deficient number, since it is larger than the sum of its proper divisors (14115724243).

136794194693 is a wasteful number, since it uses less digits than its factorization.

136794194693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256649575.

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

The spelling of 136794194693 in words is "one hundred thirty-six billion, seven hundred ninety-four million, one hundred ninety-four thousand, six hundred ninety-three".