131478799 has 8 divisors (see below), whose sum is σ = 139507488. Its totient is φ = 123482880.

The previous prime is 131478791. The next prime is 131478817. The reversal of 131478799 is 997874131.

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 131478799 - 2³ = 131478791 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 (131478791) 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, 339 + ... + 16219.

It is an arithmetic number, because the mean of its divisors is an integer number (17438436).

Almost surely, 2^131478799 is an apocalyptic number.

131478799 is a deficient number, since it is larger than the sum of its proper divisors (8028689).

131478799 is a wasteful number, since it uses less digits than its factorization.

131478799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16385.

The product of its digits is 381024, while the sum is 49.

The square root of 131478799 is about 11466.4204963886. The cubic root of 131478799 is about 508.4933091643.

The spelling of 131478799 in words is "one hundred thirty-one million, four hundred seventy-eight thousand, seven hundred ninety-nine".