131148450 has 96 divisors (see below), whose sum is σ = 380481600. Its totient is φ = 33125760.

The previous prime is 131148449. The next prime is 131148481. The reversal of 131148450 is 54841131.

It is a happy number.

131148450 is a `hidden beast` number, since 131 + 1 + 484 + 50 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23094 + ... + 28206.

It is an arithmetic number, because the mean of its divisors is an integer number (3963350).

Almost surely, 2^131148450 is an apocalyptic number.

131148450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 131148450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190240800).

131148450 is an abundant number, since it is smaller than the sum of its proper divisors (249333150).

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

131148450 is a wasteful number, since it uses less digits than its factorization.

131148450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5153 (or 5142 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 131148450 is about 11452.0063744306. The cubic root of 131148450 is about 508.0670778600.

Adding to 131148450 its reverse (54841131), we get a palindrome (185989581).

The spelling of 131148450 in words is "one hundred thirty-one million, one hundred forty-eight thousand, four hundred fifty".