113240191 has 2 divisors, whose sum is σ = 113240192. Its totient is φ = 113240190.

The previous prime is 113240167. The next prime is 113240203. The reversal of 113240191 is 191042311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113240191 - 2¹⁹ = 112715903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113240161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56620095 + 56620096.

It is an arithmetic number, because the mean of its divisors is an integer number (56620096).

Almost surely, 2^113240191 is an apocalyptic number.

113240191 is a deficient number, since it is larger than the sum of its proper divisors (1).

113240191 is an equidigital number, since it uses as much as digits as its factorization.

113240191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 113240191 is about 10641.4374498937. The cubic root of 113240191 is about 483.8011144123.

The spelling of 113240191 in words is "one hundred thirteen million, two hundred forty thousand, one hundred ninety-one".