131207042 has 8 divisors (see below), whose sum is σ = 205367616. Its totient is φ = 62751172.

The previous prime is 131207039. The next prime is 131207051. The reversal of 131207042 is 240702131.

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

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 3 ways as a sum of consecutive naturals, for example, 1426118 + ... + 1426209.

It is an arithmetic number, because the mean of its divisors is an integer number (25670952).

Almost surely, 2^131207042 is an apocalyptic number.

131207042 is a deficient number, since it is larger than the sum of its proper divisors (74160574).

131207042 is a wasteful number, since it uses less digits than its factorization.

131207042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2852352.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 131207042 is about 11454.5642431303. The cubic root of 131207042 is about 508.1427280974.

Adding to 131207042 its reverse (240702131), we get a palindrome (371909173).

The spelling of 131207042 in words is "one hundred thirty-one million, two hundred seven thousand, forty-two".