131744500 has 24 divisors (see below), whose sum is σ = 287731080. Its totient is φ = 52697600.

The previous prime is 131744467. The next prime is 131744507. The reversal of 131744500 is 5447131.

131744500 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 16 + 131744484 = 4^2 + 11478^2 .

It is a super-2 number, since 2×131744500² = 34713226560500000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131744507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131245 + ... + 132244.

It is an arithmetic number, because the mean of its divisors is an integer number (11988795).

Almost surely, 2^131744500 is an apocalyptic number.

131744500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131744500 is an abundant number, since it is smaller than the sum of its proper divisors (155986580).

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

131744500 is a wasteful number, since it uses less digits than its factorization.

131744500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263508 (or 263496 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 131744500 is about 11478.0006969855. Note that the first 3 decimals coincide. The cubic root of 131744500 is about 508.8356109211.

The spelling of 131744500 in words is "one hundred thirty-one million, seven hundred forty-four thousand, five hundred".