114191591 has 4 divisors (see below), whose sum is σ = 114851832. Its totient is φ = 113531352.

The previous prime is 114191587. The next prime is 114191593. The reversal of 114191591 is 195191411.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 114191591 - 2² = 114191587 is a prime.

It is a super-2 number, since 2×114191591² = 26079438910222562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (114191593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329861 + ... + 330206.

It is an arithmetic number, because the mean of its divisors is an integer number (28712958).

Almost surely, 2^114191591 is an apocalyptic number.

114191591 is a deficient number, since it is larger than the sum of its proper divisors (660241).

114191591 is an equidigital number, since it uses as much as digits as its factorization.

114191591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660240.

The product of its digits is 1620, while the sum is 32.

The square root of 114191591 is about 10686.0465561404. The cubic root of 114191591 is about 485.1522404417.

The spelling of 114191591 in words is "one hundred fourteen million, one hundred ninety-one thousand, five hundred ninety-one".