131481481486 has 4 divisors (see below), whose sum is σ = 197222222232. Its totient is φ = 65740740742.

The previous prime is 131481481477. The next prime is 131481481493. The reversal of 131481481486 is 684184184131.

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

It is a super-3 number, since 3×131481481486³ (a number of 34 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32870370370 + ... + 32870370373.

It is an arithmetic number, because the mean of its divisors is an integer number (49305555558).

Almost surely, 2^131481481486 is an apocalyptic number.

131481481486 is a deficient number, since it is larger than the sum of its proper divisors (65740740746).

131481481486 is an equidigital number, since it uses as much as digits as its factorization.

131481481486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65740740745.

The product of its digits is 589824, while the sum is 49.

The spelling of 131481481486 in words is "one hundred thirty-one billion, four hundred eighty-one million, four hundred eighty-one thousand, four hundred eighty-six".