131476840 has 64 divisors (see below), whose sum is σ = 325321920. Its totient is φ = 47424000.

The previous prime is 131476823. The next prime is 131476871. The reversal of 131476840 is 48674131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 131476796 and 131476805.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56500 + ... + 58780.

It is an arithmetic number, because the mean of its divisors is an integer number (5083155).

Almost surely, 2^131476840 is an apocalyptic number.

131476840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131476840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162660960).

131476840 is an abundant number, since it is smaller than the sum of its proper divisors (193845080).

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

131476840 is a wasteful number, since it uses less digits than its factorization.

131476840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2434 (or 2430 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 131476840 is about 11466.3350727249. The cubic root of 131476840 is about 508.4907836790.

The spelling of 131476840 in words is "one hundred thirty-one million, four hundred seventy-six thousand, eight hundred forty".