192136913 has 2 divisors, whose sum is σ = 192136914. Its totient is φ = 192136912.

The previous prime is 192136909. The next prime is 192136937. The reversal of 192136913 is 319631291.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 182601169 + 9535744 = 13513^2 + 3088^2 .

It is a cyclic number.

It is not a de Polignac number, because 192136913 - 2² = 192136909 is a prime.

It is not a weakly prime, because it can be changed into another prime (192136993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96068456 + 96068457.

It is an arithmetic number, because the mean of its divisors is an integer number (96068457).

Almost surely, 2^192136913 is an apocalyptic number.

It is an amenable number.

192136913 is a deficient number, since it is larger than the sum of its proper divisors (1).

192136913 is an equidigital number, since it uses as much as digits as its factorization.

192136913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8748, while the sum is 35.

The square root of 192136913 is about 13861.3460024631. The cubic root of 192136913 is about 577.0369224270.

The spelling of 192136913 in words is "one hundred ninety-two million, one hundred thirty-six thousand, nine hundred thirteen".