131648941 has 4 divisors (see below), whose sum is σ = 137372832. Its totient is φ = 125925052.

The previous prime is 131648921. The next prime is 131648963. The reversal of 131648941 is 149846131.

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 131648941 - 2⁷ = 131648813 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 131648941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131648911) 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, 2861911 + ... + 2861956.

It is an arithmetic number, because the mean of its divisors is an integer number (34343208).

Almost surely, 2^131648941 is an apocalyptic number.

It is an amenable number.

131648941 is a deficient number, since it is larger than the sum of its proper divisors (5723891).

131648941 is an equidigital number, since it uses as much as digits as its factorization.

131648941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5723890.

The product of its digits is 20736, while the sum is 37.

The square root of 131648941 is about 11473.8372395638. The cubic root of 131648941 is about 508.7125556055.

The spelling of 131648941 in words is "one hundred thirty-one million, six hundred forty-eight thousand, nine hundred forty-one".