192136993 has 2 divisors, whose sum is σ = 192136994. Its totient is φ = 192136992.

The previous prime is 192136979. The next prime is 192137003. The reversal of 192136993 is 399631291.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 170903329 + 21233664 = 13073^2 + 4608^2 .

It is a cyclic number.

It is not a de Polignac number, because 192136993 - 2¹³ = 192128801 is a prime.

It is not a weakly prime, because it can be changed into another prime (192136913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96068496 + 96068497.

It is an arithmetic number, because the mean of its divisors is an integer number (96068497).

Almost surely, 2^192136993 is an apocalyptic number.

It is an amenable number.

192136993 is a deficient number, since it is larger than the sum of its proper divisors (1).

192136993 is an equidigital number, since it uses as much as digits as its factorization.

192136993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 78732, while the sum is 43.

The square root of 192136993 is about 13861.3488881854. The cubic root of 192136993 is about 577.0370025139.

The spelling of 192136993 in words is "one hundred ninety-two million, one hundred thirty-six thousand, nine hundred ninety-three".