131884193 has 8 divisors (see below), whose sum is σ = 153569088. Its totient is φ = 110910384.

The previous prime is 131884189. The next prime is 131884213. The reversal of 131884193 is 391488131.

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

It is a cyclic number.

It is not a de Polignac number, because 131884193 - 2² = 131884189 is a prime.

It is a super-2 number, since 2×131884193² = 34786880726522498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131884153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177371 + ... + 178112.

It is an arithmetic number, because the mean of its divisors is an integer number (19196136).

Almost surely, 2^131884193 is an apocalyptic number.

It is an amenable number.

131884193 is a deficient number, since it is larger than the sum of its proper divisors (21684895).

131884193 is an equidigital number, since it uses as much as digits as its factorization.

131884193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355543.

The product of its digits is 20736, while the sum is 38.

The square root of 131884193 is about 11484.0843344169. The cubic root of 131884193 is about 509.0153924039.

The spelling of 131884193 in words is "one hundred thirty-one million, eight hundred eighty-four thousand, one hundred ninety-three".