131444453 has 8 divisors (see below), whose sum is σ = 150335040. Its totient is φ = 112582080.

The previous prime is 131444441. The next prime is 131444473. The reversal of 131444453 is 354444131.

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 131444453 - 2¹⁶ = 131378917 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 (131444473) 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, 4118 + ... + 16728.

It is an arithmetic number, because the mean of its divisors is an integer number (18791880).

Almost surely, 2^131444453 is an apocalyptic number.

It is an amenable number.

131444453 is a deficient number, since it is larger than the sum of its proper divisors (18890587).

131444453 is a wasteful number, since it uses less digits than its factorization.

131444453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14107.

The product of its digits is 11520, while the sum is 29.

The square root of 131444453 is about 11464.9227210653. The cubic root of 131444453 is about 508.4490276723.

Adding to 131444453 its reverse (354444131), we get a palindrome (485888584).

The spelling of 131444453 in words is "one hundred thirty-one million, four hundred forty-four thousand, four hundred fifty-three".