131999047944346 has 16 divisors (see below), whose sum is σ = 216001174501728. Its totient is φ = 59998808244400.

The previous prime is 131999047944319. The next prime is 131999047944371. The reversal of 131999047944346 is 643449740999131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36169660 + ... + 39651511.

It is an arithmetic number, because the mean of its divisors is an integer number (13500073406358).

Almost surely, 2^{131999047944346} is an apocalyptic number.

131999047944346 is a deficient number, since it is larger than the sum of its proper divisors (84002126557382).

131999047944346 is a wasteful number, since it uses less digits than its factorization.

131999047944346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75900317.

The product of its (nonzero) digits is 634894848, while the sum is 73.

The spelling of 131999047944346 in words is "one hundred thirty-one trillion, nine hundred ninety-nine billion, forty-seven million, nine hundred forty-four thousand, three hundred forty-six".