316040189 has 2 divisors, whose sum is σ = 316040190. Its totient is φ = 316040188.

The previous prime is 316040147. The next prime is 316040201. The reversal of 316040189 is 981040613.

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., 315772900 + 267289 = 17770^2 + 517^2 .

It is a cyclic number.

It is not a de Polignac number, because 316040189 - 2²⁴ = 299262973 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316040089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158020094 + 158020095.

It is an arithmetic number, because the mean of its divisors is an integer number (158020095).

Almost surely, 2^316040189 is an apocalyptic number.

It is an amenable number.

316040189 is a deficient number, since it is larger than the sum of its proper divisors (1).

316040189 is an equidigital number, since it uses as much as digits as its factorization.

316040189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 316040189 is about 17777.5192026334. The cubic root of 316040189 is about 681.1573349370.

The spelling of 316040189 in words is "three hundred sixteen million, forty thousand, one hundred eighty-nine".