130473144 has 72 divisors (see below), whose sum is σ = 359990280. Its totient is φ = 42690240.

The previous prime is 130473139. The next prime is 130473149. The reversal of 130473144 is 441374031.

It is an interprime number because it is at equal distance from previous prime (130473139) and next prime (130473149).

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130473149) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 267669 + ... + 268155.

It is an arithmetic number, because the mean of its divisors is an integer number (4999865).

Almost surely, 2^130473144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130473144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179995140).

130473144 is an abundant number, since it is smaller than the sum of its proper divisors (229517136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130473144 is a wasteful number, since it uses less digits than its factorization.

130473144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621 (or 553 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 130473144 is about 11422.4841431275. The cubic root of 130473144 is about 507.1935351138.

The spelling of 130473144 in words is "one hundred thirty million, four hundred seventy-three thousand, one hundred forty-four".