130540732 has 48 divisors (see below), whose sum is σ = 276982272. Its totient is φ = 52620480.

The previous prime is 130540691. The next prime is 130540741. The reversal of 130540732 is 237045031.

130540732 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×130540732² = 34081765422191648, which contains 22 as substring.

130540732 is strictly pandigital in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 130540697 and 130540706.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37623 + ... + 40945.

It is an arithmetic number, because the mean of its divisors is an integer number (5770464).

Almost surely, 2^130540732 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 130540732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138491136).

130540732 is an abundant number, since it is smaller than the sum of its proper divisors (146441540).

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

130540732 is a wasteful number, since it uses less digits than its factorization.

130540732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3418 (or 3416 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 130540732 is about 11425.4423109130. The cubic root of 130540732 is about 507.2810991851.

Adding to 130540732 its reverse (237045031), we get a palindrome (367585763).

The spelling of 130540732 in words is "one hundred thirty million, five hundred forty thousand, seven hundred thirty-two".