131629680 has 480 divisors, whose sum is σ = 568713600. Its totient is φ = 27095040.

The previous prime is 131629633. The next prime is 131629699. The reversal of 131629680 is 86926131.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3210460 + ... + 3210500.

It is an arithmetic number, because the mean of its divisors is an integer number (1184820).

Almost surely, 2^131629680 is an apocalyptic number.

131629680 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 131629680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284356800).

131629680 is an abundant number, since it is smaller than the sum of its proper divisors (437083920).

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

131629680 is a wasteful number, since it uses less digits than its factorization.

131629680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 131629680 is about 11472.9978645514. The cubic root of 131629680 is about 508.6877452010.

The spelling of 131629680 in words is "one hundred thirty-one million, six hundred twenty-nine thousand, six hundred eighty".