131528914 has 16 divisors (see below), whose sum is σ = 215571456. Its totient is φ = 59690800.

The previous prime is 131528911. The next prime is 131528977. The reversal of 131528914 is 419825131.

It is a self number, because there is not a number n which added to its sum of digits gives 131528914.

It is not an unprimeable number, because it can be changed into a prime (131528911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10479 + ... + 19309.

It is an arithmetic number, because the mean of its divisors is an integer number (13473216).

Almost surely, 2^131528914 is an apocalyptic number.

131528914 is a deficient number, since it is larger than the sum of its proper divisors (84042542).

131528914 is a wasteful number, since it uses less digits than its factorization.

131528914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9521.

The product of its digits is 8640, while the sum is 34.

The square root of 131528914 is about 11468.6055821970. The cubic root of 131528914 is about 508.5579074248.

The spelling of 131528914 in words is "one hundred thirty-one million, five hundred twenty-eight thousand, nine hundred fourteen".