7140157 has 2 divisors, whose sum is σ = 7140158. Its totient is φ = 7140156.

The previous prime is 7140127. The next prime is 7140163. The reversal of 7140157 is 7510417.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5447556 + 1692601 = 2334^2 + 1301^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7140157 is a prime.

It is a zygodrome in base 7.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7140127) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3570078 + 3570079.

It is an arithmetic number, because the mean of its divisors is an integer number (3570079).

Almost surely, 2^7140157 is an apocalyptic number.

It is an amenable number.

7140157 is a deficient number, since it is larger than the sum of its proper divisors (1).

7140157 is an equidigital number, since it uses as much as digits as its factorization.

7140157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 7140157 is about 2672.1072209026. The cubic root of 7140157 is about 192.5614084176.

The spelling of 7140157 in words is "seven million, one hundred forty thousand, one hundred fifty-seven".