130440553 has 4 divisors (see below), whose sum is σ = 130860288. Its totient is φ = 130020820.

The previous prime is 130440551. The next prime is 130440581. The reversal of 130440553 is 355044031.

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 130440553 - 2¹ = 130440551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130440551) 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, 209401 + ... + 210022.

It is an arithmetic number, because the mean of its divisors is an integer number (32715072).

Almost surely, 2^130440553 is an apocalyptic number.

It is an amenable number.

130440553 is a deficient number, since it is larger than the sum of its proper divisors (419735).

130440553 is an equidigital number, since it uses as much as digits as its factorization.

130440553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419734.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 130440553 is about 11421.0574379083. The cubic root of 130440553 is about 507.1513008258.

Adding to 130440553 its reverse (355044031), we get a palindrome (485484584).

The spelling of 130440553 in words is "one hundred thirty million, four hundred forty thousand, five hundred fifty-three".