131910842 has 48 divisors (see below), whose sum is σ = 245944512. Its totient is φ = 52778880.

The previous prime is 131910833. The next prime is 131910881. The reversal of 131910842 is 248019131.

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 23 ways as a sum of consecutive naturals, for example, 96242 + ... + 97602.

It is an arithmetic number, because the mean of its divisors is an integer number (5123844).

Almost surely, 2^131910842 is an apocalyptic number.

131910842 is a deficient number, since it is larger than the sum of its proper divisors (114033670).

131910842 is a wasteful number, since it uses less digits than its factorization.

131910842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443 (or 1436 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 131910842 is about 11485.2445337485. The cubic root of 131910842 is about 509.0496745959.

Adding to 131910842 its reverse (248019131), we get a palindrome (379929973).

The spelling of 131910842 in words is "one hundred thirty-one million, nine hundred ten thousand, eight hundred forty-two".