131374191 has 8 divisors (see below), whose sum is σ = 188639920. Its totient is φ = 80845632.

The previous prime is 131374169. The next prime is 131374213. The reversal of 131374191 is 191473131.

It is an interprime number because it is at equal distance from previous prime (131374169) and next prime (131374213).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-131374191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131374141) 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 7 ways as a sum of consecutive naturals, for example, 1684246 + ... + 1684323.

It is an arithmetic number, because the mean of its divisors is an integer number (23579990).

Almost surely, 2^131374191 is an apocalyptic number.

131374191 is a deficient number, since it is larger than the sum of its proper divisors (57265729).

131374191 is a wasteful number, since it uses less digits than its factorization.

131374191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3368585.

The product of its digits is 2268, while the sum is 30.

The square root of 131374191 is about 11461.8580954398. The cubic root of 131374191 is about 508.3584164875.

The spelling of 131374191 in words is "one hundred thirty-one million, three hundred seventy-four thousand, one hundred ninety-one".