131603741 has 4 divisors (see below), whose sum is σ = 131638752. Its totient is φ = 131568732.

The previous prime is 131603737. The next prime is 131603753. The reversal of 131603741 is 147306131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131603741 - 2² = 131603737 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 131603741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131603701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11081 + ... + 19646.

It is an arithmetic number, because the mean of its divisors is an integer number (32909688).

Almost surely, 2^131603741 is an apocalyptic number.

It is an amenable number.

131603741 is a deficient number, since it is larger than the sum of its proper divisors (35011).

131603741 is an equidigital number, since it uses as much as digits as its factorization.

131603741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35010.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 131603741 is about 11471.8673719670. The cubic root of 131603741 is about 508.6543289324.

Adding to 131603741 its reverse (147306131), we get a palindrome (278909872).

The spelling of 131603741 in words is "one hundred thirty-one million, six hundred three thousand, seven hundred forty-one".