7138140838177 has 2 divisors, whose sum is σ = 7138140838178. Its totient is φ = 7138140838176.

The previous prime is 7138140838123. The next prime is 7138140838183. The reversal of 7138140838177 is 7718380418317.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5351745531456 + 1786395306721 = 2313384^2 + 1336561^2 .

It is an emirp because it is prime and its reverse (7718380418317) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7138140838177 is a prime.

It is not a weakly prime, because it can be changed into another prime (7138140878177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3569070419088 + 3569070419089.

It is an arithmetic number, because the mean of its divisors is an integer number (3569070419089).

Almost surely, 2^{7138140838177} is an apocalyptic number.

It is an amenable number.

7138140838177 is a deficient number, since it is larger than the sum of its proper divisors (1).

7138140838177 is an equidigital number, since it uses as much as digits as its factorization.

7138140838177 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6322176, while the sum is 58.

The spelling of 7138140838177 in words is "seven trillion, one hundred thirty-eight billion, one hundred forty million, eight hundred thirty-eight thousand, one hundred seventy-seven".