131680000 has 90 divisors (see below), whose sum is σ = 328850984. Its totient is φ = 52608000.

The previous prime is 131679973. The next prime is 131680009. The reversal of 131680000 is 86131.

It is a self number, because there is not a number n which added to its sum of digits gives 131680000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131680009) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 159589 + ... + 160411.

Almost surely, 2^131680000 is an apocalyptic number.

131680000 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 131680000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164425492).

131680000 is an abundant number, since it is smaller than the sum of its proper divisors (197170984).

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

131680000 is an frugal number, since it uses more digits than its factorization.

131680000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859 (or 830 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 131680000 is about 11475.1906302248. The cubic root of 131680000 is about 508.7525581070.

The spelling of 131680000 in words is "one hundred thirty-one million, six hundred eighty thousand".