131114591 has 4 divisors (see below), whose sum is σ = 138827232. Its totient is φ = 123401952.

The previous prime is 131114587. The next prime is 131114603. The reversal of 131114591 is 195411131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 195411131 = 1487 ⋅131413.

It is a cyclic number.

It is not a de Polignac number, because 131114591 - 2² = 131114587 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 131114591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131114561) 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, 3856295 + ... + 3856328.

It is an arithmetic number, because the mean of its divisors is an integer number (34706808).

Almost surely, 2^131114591 is an apocalyptic number.

131114591 is a deficient number, since it is larger than the sum of its proper divisors (7712641).

131114591 is an equidigital number, since it uses as much as digits as its factorization.

131114591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7712640.

The product of its digits is 540, while the sum is 26.

The square root of 131114591 is about 11450.5279790934. The cubic root of 131114591 is about 508.0233510150.

The spelling of 131114591 in words is "one hundred thirty-one million, one hundred fourteen thousand, five hundred ninety-one".