131366039 has 4 divisors (see below), whose sum is σ = 150132624. Its totient is φ = 112599456.

The previous prime is 131366023. The next prime is 131366051. The reversal of 131366039 is 930663131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131366039 - 2⁴ = 131366023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131365996 and 131366014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131366239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9383282 + ... + 9383295.

It is an arithmetic number, because the mean of its divisors is an integer number (37533156).

Almost surely, 2^131366039 is an apocalyptic number.

131366039 is a deficient number, since it is larger than the sum of its proper divisors (18766585).

131366039 is an equidigital number, since it uses as much as digits as its factorization.

131366039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18766584.

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 131366039 is about 11461.5024756792. The cubic root of 131366039 is about 508.3479014249.

The spelling of 131366039 in words is "one hundred thirty-one million, three hundred sixty-six thousand, thirty-nine".