131589603 has 16 divisors (see below), whose sum is σ = 197357600. Its totient is φ = 87724944.

The previous prime is 131589593. The next prime is 131589643. The reversal of 131589603 is 306985131.

It is a happy number.

131589603 is a `hidden beast` number, since 13 + 1 + 589 + 60 + 3 = 666.

It is not a de Polignac number, because 131589603 - 2⁴ = 131589587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131589643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27898 + ... + 32271.

It is an arithmetic number, because the mean of its divisors is an integer number (12334850).

Almost surely, 2^131589603 is an apocalyptic number.

131589603 is a deficient number, since it is larger than the sum of its proper divisors (65767997).

131589603 is an frugal number, since it uses more digits than its factorization.

131589603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60190 (or 60172 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 131589603 is about 11471.2511523373. The cubic root of 131589603 is about 508.6361136132.

The spelling of 131589603 in words is "one hundred thirty-one million, five hundred eighty-nine thousand, six hundred three".