130533540 has 24 divisors (see below), whose sum is σ = 365494080. Its totient is φ = 34808928.

The previous prime is 130533539. The next prime is 130533583. The reversal of 130533540 is 45335031.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 130533540.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1087720 + ... + 1087839.

It is an arithmetic number, because the mean of its divisors is an integer number (15228920).

Almost surely, 2^130533540 is an apocalyptic number.

130533540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130533540 is an abundant number, since it is smaller than the sum of its proper divisors (234960540).

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

130533540 is a wasteful number, since it uses less digits than its factorization.

130533540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2175571 (or 2175569 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 130533540 is about 11425.1275704038. The cubic root of 130533540 is about 507.2717829801.

Adding to 130533540 its reverse (45335031), we get a palindrome (175868571).

The spelling of 130533540 in words is "one hundred thirty million, five hundred thirty-three thousand, five hundred forty".