1300344140 has 12 divisors (see below), whose sum is σ = 2730722736. Its totient is φ = 520137648.

The previous prime is 1300344139. The next prime is 1300344191. The reversal of 1300344140 is 414430031.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 65017207 = 1300344140 / (1 + 3 + 0 + 0 + 3 + 4 + 4 + 1 + 4 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32508584 + ... + 32508623.

It is an arithmetic number, because the mean of its divisors is an integer number (227560228).

Almost surely, 2^1300344140 is an apocalyptic number.

1300344140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1300344140 is an abundant number, since it is smaller than the sum of its proper divisors (1430378596).

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

1300344140 is a wasteful number, since it uses less digits than its factorization.

1300344140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65017216 (or 65017214 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1300344140 is about 36060.2848019813. The cubic root of 1300344140 is about 1091.4891801916.

Adding to 1300344140 its reverse (414430031), we get a palindrome (1714774171).

The spelling of 1300344140 in words is "one billion, three hundred million, three hundred forty-four thousand, one hundred forty".