131427784851 has 8 divisors (see below), whose sum is σ = 191167687104. Its totient is φ = 79653202920.

The previous prime is 131427784837. The next prime is 131427784861. The reversal of 131427784851 is 158487724131.

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

It is not a de Polignac number, because 131427784851 - 2¹⁴ = 131427768467 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 131427784794 and 131427784803.

It is not an unprimeable number, because it can be changed into a prime (131427784861) 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, 1991330041 + ... + 1991330106.

It is an arithmetic number, because the mean of its divisors is an integer number (23895960888).

Almost surely, 2^131427784851 is an apocalyptic number.

131427784851 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

131427784851 is a deficient number, since it is larger than the sum of its proper divisors (59739902253).

131427784851 is a wasteful number, since it uses less digits than its factorization.

131427784851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3982660161.

The product of its digits is 1505280, while the sum is 51.

The spelling of 131427784851 in words is "one hundred thirty-one billion, four hundred twenty-seven million, seven hundred eighty-four thousand, eight hundred fifty-one".