131838973 has 8 divisors (see below), whose sum is σ = 150838848. Its totient is φ = 112880544.

The previous prime is 131838923. The next prime is 131838979. The reversal of 131838973 is 379838131.

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

It is a de Polignac number, because none of the positive numbers 2^k-131838973 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 (131838979) 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, 3211 + ... + 16552.

It is an arithmetic number, because the mean of its divisors is an integer number (18854856).

Almost surely, 2^131838973 is an apocalyptic number.

It is an amenable number.

131838973 is a deficient number, since it is larger than the sum of its proper divisors (18999875).

131838973 is an equidigital number, since it uses as much as digits as its factorization.

131838973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20723.

The product of its digits is 108864, while the sum is 43.

The square root of 131838973 is about 11482.1153538884. The cubic root of 131838973 is about 508.9572092693.

The spelling of 131838973 in words is "one hundred thirty-one million, eight hundred thirty-eight thousand, nine hundred seventy-three".