189137713 has 2 divisors, whose sum is σ = 189137714. Its totient is φ = 189137712.

The previous prime is 189137701. The next prime is 189137731. The reversal of 189137713 is 317731981.

Together with next prime (189137731) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147573904 + 41563809 = 12148^2 + 6447^2 .

It is a cyclic number.

It is not a de Polignac number, because 189137713 - 2¹⁷ = 189006641 is a prime.

It is not a weakly prime, because it can be changed into another prime (189137813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94568856 + 94568857.

It is an arithmetic number, because the mean of its divisors is an integer number (94568857).

Almost surely, 2^189137713 is an apocalyptic number.

It is an amenable number.

189137713 is a deficient number, since it is larger than the sum of its proper divisors (1).

189137713 is an equidigital number, since it uses as much as digits as its factorization.

189137713 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 189137713 is about 13752.7347462241. The cubic root of 189137713 is about 574.0187048500.

The spelling of 189137713 in words is "one hundred eighty-nine million, one hundred thirty-seven thousand, seven hundred thirteen".