131823075 has 24 divisors (see below), whose sum is σ = 218401200. Its totient is φ = 70159360.

The previous prime is 131823071. The next prime is 131823089. The reversal of 131823075 is 570328131.

It is not a de Polignac number, because 131823075 - 2² = 131823071 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131823071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41131 + ... + 44219.

It is an arithmetic number, because the mean of its divisors is an integer number (9100050).

Almost surely, 2^131823075 is an apocalyptic number.

131823075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131823075 is a deficient number, since it is larger than the sum of its proper divisors (86578125).

131823075 is a wasteful number, since it uses less digits than its factorization.

131823075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3671 (or 3666 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 131823075 is about 11481.4230389791. The cubic root of 131823075 is about 508.9367506578.

The spelling of 131823075 in words is "one hundred thirty-one million, eight hundred twenty-three thousand, seventy-five".