131142104 has 16 divisors (see below), whose sum is σ = 258833400. Its totient is φ = 62119872.

The previous prime is 131142103. The next prime is 131142107. The reversal of 131142104 is 401241131.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131142103) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 431237 + ... + 431540.

Almost surely, 2^131142104 is an apocalyptic number.

It is an amenable number.

131142104 is a deficient number, since it is larger than the sum of its proper divisors (127691296).

131142104 is a wasteful number, since it uses less digits than its factorization.

131142104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862802 (or 862798 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 131142104 is about 11451.7293017256. The cubic root of 131142104 is about 508.0588829590.

Adding to 131142104 its reverse (401241131), we get a palindrome (532383235).

The spelling of 131142104 in words is "one hundred thirty-one million, one hundred forty-two thousand, one hundred four".