7139153761 has 2 divisors, whose sum is σ = 7139153762. Its totient is φ = 7139153760.

The previous prime is 7139153753. The next prime is 7139153797. The reversal of 7139153761 is 1673519317.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7053480225 + 85673536 = 83985^2 + 9256^2 .

It is an emirp because it is prime and its reverse (1673519317) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7139153761 - 2³ = 7139153753 is a prime.

It is not a weakly prime, because it can be changed into another prime (7139153261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3569576880 + 3569576881.

It is an arithmetic number, because the mean of its divisors is an integer number (3569576881).

Almost surely, 2^7139153761 is an apocalyptic number.

It is an amenable number.

7139153761 is a deficient number, since it is larger than the sum of its proper divisors (1).

7139153761 is an equidigital number, since it uses as much as digits as its factorization.

7139153761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 119070, while the sum is 43.

The square root of 7139153761 is about 84493.5131297072. The cubic root of 7139153761 is about 1925.5238928052.

The spelling of 7139153761 in words is "seven billion, one hundred thirty-nine million, one hundred fifty-three thousand, seven hundred sixty-one".