131603673 has 8 divisors (see below), whose sum is σ = 176259328. Its totient is φ = 87341904.

The previous prime is 131603669. The next prime is 131603699. The reversal of 131603673 is 376306131.

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

It is not a de Polignac number, because 131603673 - 2² = 131603669 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131603673.

It is not an unprimeable number, because it can be changed into a prime (131603663) 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, 97690 + ... + 99027.

It is an arithmetic number, because the mean of its divisors is an integer number (22032416).

Almost surely, 2^131603673 is an apocalyptic number.

It is an amenable number.

131603673 is a deficient number, since it is larger than the sum of its proper divisors (44655655).

131603673 is a wasteful number, since it uses less digits than its factorization.

131603673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196943.

The product of its (nonzero) digits is 6804, while the sum is 30.

The square root of 131603673 is about 11471.8644081945. The cubic root of 131603673 is about 508.6542413247.

The spelling of 131603673 in words is "one hundred thirty-one million, six hundred three thousand, six hundred seventy-three".