131445124 has 6 divisors (see below), whose sum is σ = 230028974. Its totient is φ = 65722560.

The previous prime is 131445121. The next prime is 131445133. The reversal of 131445124 is 421544131.

It can be written as a sum of positive squares in only one way, i.e., 127283524 + 4161600 = 11282^2 + 2040^2 .

It is not an unprimeable number, because it can be changed into a prime (131445121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16430637 + ... + 16430644.

Almost surely, 2^131445124 is an apocalyptic number.

It is an amenable number.

131445124 is a deficient number, since it is larger than the sum of its proper divisors (98583850).

131445124 is a wasteful number, since it uses less digits than its factorization.

131445124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32861285 (or 32861283 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 131445124 is about 11464.9519841995. The cubic root of 131445124 is about 508.4498928507.

Adding to 131445124 its reverse (421544131), we get a palindrome (552989255).

The spelling of 131445124 in words is "one hundred thirty-one million, four hundred forty-five thousand, one hundred twenty-four".