131544200 has 36 divisors (see below), whose sum is σ = 306217845. Its totient is φ = 52552800.

The previous prime is 131544173. The next prime is 131544223. The reversal of 131544200 is 2445131.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 128913316 + 2630884 = 11354^2 + 1622^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=8110.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 161795 + ... + 162605.

Almost surely, 2^131544200 is an apocalyptic number.

131544200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131544200 is an abundant number, since it is smaller than the sum of its proper divisors (174673645).

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

131544200 is an frugal number, since it uses more digits than its factorization.

131544200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638 (or 818 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 131544200 is about 11469.2719908458. The cubic root of 131544200 is about 508.5776078207.

Adding to 131544200 its reverse (2445131), we get a palindrome (133989331).

The spelling of 131544200 in words is "one hundred thirty-one million, five hundred forty-four thousand, two hundred".