7149161137 has 2 divisors, whose sum is σ = 7149161138. Its totient is φ = 7149161136.

The previous prime is 7149161059. The next prime is 7149161161. The reversal of 7149161137 is 7311619417.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4864225536 + 2284935601 = 69744^2 + 47801^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7149161137 is a prime.

It is a super-2 number, since 2×7149161137² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7149161137.

It is not a weakly prime, because it can be changed into another prime (7149131137) 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, 3574580568 + 3574580569.

It is an arithmetic number, because the mean of its divisors is an integer number (3574580569).

Almost surely, 2^7149161137 is an apocalyptic number.

It is an amenable number.

7149161137 is a deficient number, since it is larger than the sum of its proper divisors (1).

7149161137 is an equidigital number, since it uses as much as digits as its factorization.

7149161137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31752, while the sum is 40.

The square root of 7149161137 is about 84552.7121800360. The cubic root of 7149161137 is about 1926.4231798232.

The spelling of 7149161137 in words is "seven billion, one hundred forty-nine million, one hundred sixty-one thousand, one hundred thirty-seven".