92138197 has 2 divisors, whose sum is σ = 92138198. Its totient is φ = 92138196.

The previous prime is 92138183. The next prime is 92138213. The reversal of 92138197 is 79183129.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71216721 + 20921476 = 8439^2 + 4574^2 .

It is an emirp because it is prime and its reverse (79183129) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 92138197 - 2¹⁹ = 91613909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (92138297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46069098 + 46069099.

It is an arithmetic number, because the mean of its divisors is an integer number (46069099).

Almost surely, 2^92138197 is an apocalyptic number.

It is an amenable number.

92138197 is a deficient number, since it is larger than the sum of its proper divisors (1).

92138197 is an equidigital number, since it uses as much as digits as its factorization.

92138197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 40.

The square root of 92138197 is about 9598.8643599126. The cubic root of 92138197 is about 451.6616705526.

The spelling of 92138197 in words is "ninety-two million, one hundred thirty-eight thousand, one hundred ninety-seven".