131422000 has 80 divisors (see below), whose sum is σ = 331710912. Its totient is φ = 50265600.

The previous prime is 131421991. The next prime is 131422007. The reversal of 131422000 is 224131.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (131422007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44572 + ... + 47428.

Almost surely, 2^131422000 is an apocalyptic number.

131422000 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 131422000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165855456).

131422000 is an abundant number, since it is smaller than the sum of its proper divisors (200288912).

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

131422000 is a wasteful number, since it uses less digits than its factorization.

131422000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2903 (or 2887 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 131422000 is about 11463.9434750874. The cubic root of 131422000 is about 508.4200753764.

Adding to 131422000 its reverse (224131), we get a palindrome (131646131).

The spelling of 131422000 in words is "one hundred thirty-one million, four hundred twenty-two thousand".