1300143040 has 112 divisors (see below), whose sum is σ = 3591470592. Its totient is φ = 439059456.

The previous prime is 1300143023. The next prime is 1300143079. The reversal of 1300143040 is 403410031.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 145749 + ... + 154411.

Almost surely, 2^1300143040 is an apocalyptic number.

1300143040 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 1300143040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1795735296).

1300143040 is an abundant number, since it is smaller than the sum of its proper divisors (2291327552).

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

1300143040 is an equidigital number, since it uses as much as digits as its factorization.

1300143040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8754 (or 8744 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1300143040 is about 36057.4963079801. The cubic root of 1300143040 is about 1091.4329105259.

Adding to 1300143040 its reverse (403410031), we get a palindrome (1703553071).

The spelling of 1300143040 in words is "one billion, three hundred million, one hundred forty-three thousand, forty".