131146522 has 32 divisors (see below), whose sum is σ = 216090000. Its totient is φ = 59332608.

The previous prime is 131146513. The next prime is 131146553. The reversal of 131146522 is 225641131.

It is a happy number.

131146522 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 8 ways, for example, as 26718561 + 104427961 = 5169^2 + 10219^2 .

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 15 ways as a sum of consecutive naturals, for example, 375604 + ... + 375952.

Almost surely, 2^131146522 is an apocalyptic number.

131146522 is a deficient number, since it is larger than the sum of its proper divisors (84943478).

131146522 is a wasteful number, since it uses less digits than its factorization.

131146522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610.

The product of its digits is 1440, while the sum is 25.

The square root of 131146522 is about 11451.9221967319. The cubic root of 131146522 is about 508.0645881670.

Adding to 131146522 its reverse (225641131), we get a palindrome (356787653).

The spelling of 131146522 in words is "one hundred thirty-one million, one hundred forty-six thousand, five hundred twenty-two".