131278097246 has 8 divisors (see below), whose sum is σ = 197154684120. Its totient is φ = 65559869208.

The previous prime is 131278097213. The next prime is 131278097263. The reversal of 131278097246 is 642790872131.

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 = 131278097194 and 131278097203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39587636 + ... + 39590951.

It is an arithmetic number, because the mean of its divisors is an integer number (24644335515).

Almost surely, 2^131278097246 is an apocalyptic number.

131278097246 is a deficient number, since it is larger than the sum of its proper divisors (65876586874).

131278097246 is an equidigital number, since it uses as much as digits as its factorization.

131278097246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79179418.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The spelling of 131278097246 in words is "one hundred thirty-one billion, two hundred seventy-eight million, ninety-seven thousand, two hundred forty-six".