7136254189 has 2 divisors, whose sum is σ = 7136254190. Its totient is φ = 7136254188.

The previous prime is 7136254171. The next prime is 7136254193. The reversal of 7136254189 is 9814526317.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5656544100 + 1479710089 = 75210^2 + 38467^2 .

It is a cyclic number.

It is not a de Polignac number, because 7136254189 - 2²³ = 7127865581 is a prime.

It is a super-4 number, since 4×7136254189⁴ (a number of 41 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7136264189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3568127094 + 3568127095.

It is an arithmetic number, because the mean of its divisors is an integer number (3568127095).

Almost surely, 2^7136254189 is an apocalyptic number.

It is an amenable number.

7136254189 is a deficient number, since it is larger than the sum of its proper divisors (1).

7136254189 is an equidigital number, since it uses as much as digits as its factorization.

7136254189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 46.

The square root of 7136254189 is about 84476.3528391230. The cubic root of 7136254189 is about 1925.2631732393.

The spelling of 7136254189 in words is "seven billion, one hundred thirty-six million, two hundred fifty-four thousand, one hundred eighty-nine".