130452540 has 96 divisors (see below), whose sum is σ = 380540160. Its totient is φ = 33363456.

The previous prime is 130452523. The next prime is 130452541. The reversal of 130452540 is 45254031.

It is a self number, because there is not a number n which added to its sum of digits gives 130452540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130452541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151792 + ... + 152648.

It is an arithmetic number, because the mean of its divisors is an integer number (3963960).

Almost surely, 2^130452540 is an apocalyptic number.

130452540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130452540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190270080).

130452540 is an abundant number, since it is smaller than the sum of its proper divisors (250087620).

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

130452540 is a wasteful number, since it uses less digits than its factorization.

130452540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971 (or 969 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 130452540 is about 11421.5822021294. The cubic root of 130452540 is about 507.1668354539.

The spelling of 130452540 in words is "one hundred thirty million, four hundred fifty-two thousand, five hundred forty".