9157442137 has 2 divisors, whose sum is σ = 9157442138. Its totient is φ = 9157442136.

The previous prime is 9157442089. The next prime is 9157442159. The reversal of 9157442137 is 7312447519.

9157442137 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5913456201 + 3243985936 = 76899^2 + 56956^2 .

It is a cyclic number.

It is not a de Polignac number, because 9157442137 - 2¹⁵ = 9157409369 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9157442093 and 9157442102.

It is not a weakly prime, because it can be changed into another prime (9157442167) 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, 4578721068 + 4578721069.

It is an arithmetic number, because the mean of its divisors is an integer number (4578721069).

Almost surely, 2^9157442137 is an apocalyptic number.

It is an amenable number.

9157442137 is a deficient number, since it is larger than the sum of its proper divisors (1).

9157442137 is an equidigital number, since it uses as much as digits as its factorization.

9157442137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 43.

The square root of 9157442137 is about 95694.5251150765. The cubic root of 9157442137 is about 2092.1431384188.

The spelling of 9157442137 in words is "nine billion, one hundred fifty-seven million, four hundred forty-two thousand, one hundred thirty-seven".