131435441 has 8 divisors (see below), whose sum is σ = 134724864. Its totient is φ = 128185200.

The previous prime is 131435431. The next prime is 131435461. The reversal of 131435441 is 144534131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131435441 - 2⁶ = 131435377 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 131435441.

It is not an unprimeable number, because it can be changed into a prime (131435401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2945 + ... + 16478.

It is an arithmetic number, because the mean of its divisors is an integer number (16840608).

Almost surely, 2^131435441 is an apocalyptic number.

It is an amenable number.

131435441 is a deficient number, since it is larger than the sum of its proper divisors (3289423).

131435441 is a wasteful number, since it uses less digits than its factorization.

131435441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19591.

The product of its digits is 2880, while the sum is 26.

The square root of 131435441 is about 11464.5296894378. The cubic root of 131435441 is about 508.4374074346.

Adding to 131435441 its reverse (144534131), we get a palindrome (275969572).

The spelling of 131435441 in words is "one hundred thirty-one million, four hundred thirty-five thousand, four hundred forty-one".