1300134540 has 48 divisors (see below), whose sum is σ = 3642024960. Its totient is φ = 346545600.

The previous prime is 1300134523. The next prime is 1300134581. The reversal of 1300134540 is 454310031.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198315 + ... + 204765.

It is an arithmetic number, because the mean of its divisors is an integer number (75875520).

Almost surely, 2^1300134540 is an apocalyptic number.

1300134540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1300134540 is an abundant number, since it is smaller than the sum of its proper divisors (2341890420).

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

1300134540 is a wasteful number, since it uses less digits than its factorization.

1300134540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9822 (or 9820 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1300134540 is about 36057.3784404801. The cubic root of 1300134540 is about 1091.4305320184.

Adding to 1300134540 its reverse (454310031), we get a palindrome (1754444571).

The spelling of 1300134540 in words is "one billion, three hundred million, one hundred thirty-four thousand, five hundred forty".