131364503 has 4 divisors (see below), whose sum is σ = 133591080. Its totient is φ = 129137928.

The previous prime is 131364487. The next prime is 131364517. The reversal of 131364503 is 305463131.

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 131364503 - 2⁴ = 131364487 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 (131364703) 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, 1113200 + ... + 1113317.

It is an arithmetic number, because the mean of its divisors is an integer number (33397770).

Almost surely, 2^131364503 is an apocalyptic number.

131364503 is a deficient number, since it is larger than the sum of its proper divisors (2226577).

131364503 is an equidigital number, since it uses as much as digits as its factorization.

131364503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2226576.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 131364503 is about 11461.4354685615. The cubic root of 131364503 is about 508.3459201279.

The spelling of 131364503 in words is "one hundred thirty-one million, three hundred sixty-four thousand, five hundred three".