131442934 has 8 divisors (see below), whose sum is σ = 225330768. Its totient is φ = 56332680.

The previous prime is 131442917. The next prime is 131442947. The reversal of 131442934 is 439244131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 131442896 and 131442905.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4694377 + ... + 4694404.

It is an arithmetic number, because the mean of its divisors is an integer number (28166346).

Almost surely, 2^131442934 is an apocalyptic number.

131442934 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

131442934 is a deficient number, since it is larger than the sum of its proper divisors (93887834).

131442934 is an equidigital number, since it uses as much as digits as its factorization.

131442934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9388790.

The product of its digits is 10368, while the sum is 31.

The square root of 131442934 is about 11464.8564753337. The cubic root of 131442934 is about 508.4470690831.

The spelling of 131442934 in words is "one hundred thirty-one million, four hundred forty-two thousand, nine hundred thirty-four".