131928293 has 8 divisors (see below), whose sum is σ = 153026112. Its totient is φ = 111393216.

The previous prime is 131928241. The next prime is 131928331. The reversal of 131928293 is 392829131.

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

It is a cyclic number.

It is not a de Polignac number, because 131928293 - 2¹⁰ = 131927269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131928233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140180 + ... + 141117.

It is an arithmetic number, because the mean of its divisors is an integer number (19128264).

Almost surely, 2^131928293 is an apocalyptic number.

It is an amenable number.

131928293 is a deficient number, since it is larger than the sum of its proper divisors (21097819).

131928293 is an equidigital number, since it uses as much as digits as its factorization.

131928293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281371.

The product of its digits is 23328, while the sum is 38.

The square root of 131928293 is about 11486.0042225310. The cubic root of 131928293 is about 509.0721216619.

The spelling of 131928293 in words is "one hundred thirty-one million, nine hundred twenty-eight thousand, two hundred ninety-three".