113498191 has 4 divisors (see below), whose sum is σ = 119471800. Its totient is φ = 107524584.

The previous prime is 113498183. The next prime is 113498221. The reversal of 113498191 is 191894311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 191894311 = 7 ⋅27413473.

It is a cyclic number.

It is not a de Polignac number, because 113498191 - 2³ = 113498183 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113498191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113498111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2986776 + ... + 2986813.

It is an arithmetic number, because the mean of its divisors is an integer number (29867950).

Almost surely, 2^113498191 is an apocalyptic number.

113498191 is a deficient number, since it is larger than the sum of its proper divisors (5973609).

113498191 is an equidigital number, since it uses as much as digits as its factorization.

113498191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5973608.

The product of its digits is 7776, while the sum is 37.

The square root of 113498191 is about 10653.5529754162. The cubic root of 113498191 is about 484.1682573599.

The spelling of 113498191 in words is "one hundred thirteen million, four hundred ninety-eight thousand, one hundred ninety-one".