1300159840 has 96 divisors (see below), whose sum is σ = 3623768064. Its totient is φ = 431377920.

The previous prime is 1300159829. The next prime is 1300159841. The reversal of 1300159840 is 489510031.

It is a super-3 number, since 3×1300159840³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300159841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15997 + ... + 53443.

It is an arithmetic number, because the mean of its divisors is an integer number (37747584).

Almost surely, 2^1300159840 is an apocalyptic number.

1300159840 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 1300159840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1811884032).

1300159840 is an abundant number, since it is smaller than the sum of its proper divisors (2323608224).

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

1300159840 is a wasteful number, since it uses less digits than its factorization.

1300159840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37500 (or 37492 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 1300159840 is about 36057.7292684939. The cubic root of 1300159840 is about 1091.4376115455.

Adding to 1300159840 its reverse (489510031), we get a palindrome (1789669871).

The spelling of 1300159840 in words is "one billion, three hundred million, one hundred fifty-nine thousand, eight hundred forty".