130444453 has 4 divisors (see below), whose sum is σ = 131711008. Its totient is φ = 129177900.

The previous prime is 130444439. The next prime is 130444459. The reversal of 130444453 is 354444031.

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 130444453 - 2⁵ = 130444421 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 (130444459) 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, 633123 + ... + 633328.

It is an arithmetic number, because the mean of its divisors is an integer number (32927752).

Almost surely, 2^130444453 is an apocalyptic number.

It is an amenable number.

130444453 is a deficient number, since it is larger than the sum of its proper divisors (1266555).

130444453 is a wasteful number, since it uses less digits than its factorization.

130444453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266554.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 130444453 is about 11421.2281738874. The cubic root of 130444453 is about 507.1563551598.

Adding to 130444453 its reverse (354444031), we get a palindrome (484888484).

The spelling of 130444453 in words is "one hundred thirty million, four hundred forty-four thousand, four hundred fifty-three".