137768804079 has 4 divisors (see below), whose sum is σ = 183691738776. Its totient is φ = 91845869384.

The previous prime is 137768804077. The next prime is 137768804293. The reversal of 137768804079 is 970408867731.

137768804079 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 970408867731 = 3 ⋅323469622577.

It is a cyclic number.

It is not a de Polignac number, because 137768804079 - 2¹ = 137768804077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137768804071) 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 3 ways as a sum of consecutive naturals, for example, 22961467344 + ... + 22961467349.

It is an arithmetic number, because the mean of its divisors is an integer number (45922934694).

Almost surely, 2^137768804079 is an apocalyptic number.

137768804079 is a deficient number, since it is larger than the sum of its proper divisors (45922934697).

137768804079 is an equidigital number, since it uses as much as digits as its factorization.

137768804079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45922934696.

The product of its (nonzero) digits is 14224896, while the sum is 60.

The spelling of 137768804079 in words is "one hundred thirty-seven billion, seven hundred sixty-eight million, eight hundred four thousand, seventy-nine".