131474819 has 8 divisors (see below), whose sum is σ = 151636320. Its totient is φ = 111658176.

The previous prime is 131474809. The next prime is 131474843. The reversal of 131474819 is 918474131.

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

It is not a de Polignac number, because 131474819 - 2⁴ = 131474803 is a prime.

It is a super-2 number, since 2×131474819² = 34571256062165522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131474809) 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, 85394 + ... + 86919.

It is an arithmetic number, because the mean of its divisors is an integer number (18954540).

Almost surely, 2^131474819 is an apocalyptic number.

131474819 is a deficient number, since it is larger than the sum of its proper divisors (20161501).

131474819 is a wasteful number, since it uses less digits than its factorization.

131474819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172429.

The product of its digits is 24192, while the sum is 38.

The square root of 131474819 is about 11466.2469448377. The cubic root of 131474819 is about 508.4881782388.

The spelling of 131474819 in words is "one hundred thirty-one million, four hundred seventy-four thousand, eight hundred nineteen".