7138165316077 has 4 divisors (see below), whose sum is σ = 7331088703036. Its totient is φ = 6945241929120.

The previous prime is 7138165316059. The next prime is 7138165316099. The reversal of 7138165316077 is 7706135618317.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3383635165156 + 3754530150921 = 1839466^2 + 1937661^2 .

It is a cyclic number.

It is not a de Polignac number, because 7138165316077 - 2¹¹ = 7138165314029 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 (7138165316027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96461693424 + ... + 96461693497.

It is an arithmetic number, because the mean of its divisors is an integer number (1832772175759).

Almost surely, 2^{7138165316077} is an apocalyptic number.

It is an amenable number.

7138165316077 is a deficient number, since it is larger than the sum of its proper divisors (192923386959).

7138165316077 is a wasteful number, since it uses less digits than its factorization.

7138165316077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192923386958.

The product of its (nonzero) digits is 4445280, while the sum is 55.

The spelling of 7138165316077 in words is "seven trillion, one hundred thirty-eight billion, one hundred sixty-five million, three hundred sixteen thousand, seventy-seven".