131819460 has 48 divisors (see below), whose sum is σ = 369600000. Its totient is φ = 35103744.

The previous prime is 131819453. The next prime is 131819461. The reversal of 131819460 is 64918131.

It is not an unprimeable number, because it can be changed into a prime (131819461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74061 + ... + 75819.

It is an arithmetic number, because the mean of its divisors is an integer number (7700000).

Almost surely, 2^131819460 is an apocalyptic number.

131819460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131819460 is an abundant number, since it is smaller than the sum of its proper divisors (237780540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131819460 is a wasteful number, since it uses less digits than its factorization.

131819460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3020 (or 3018 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 131819460 is about 11481.2656096791. The cubic root of 131819460 is about 508.9320984041.

The spelling of 131819460 in words is "one hundred thirty-one million, eight hundred nineteen thousand, four hundred sixty".