1301334540 has 96 divisors (see below), whose sum is σ = 4016162304. Its totient is φ = 312207360.

The previous prime is 1301334539. The next prime is 1301334557. The reversal of 1301334540 is 454331031.

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 1301334540.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53857 + ... + 74183.

It is an arithmetic number, because the mean of its divisors is an integer number (41835024).

Almost surely, 2^1301334540 is an apocalyptic number.

1301334540 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 1301334540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2008081152).

1301334540 is an abundant number, since it is smaller than the sum of its proper divisors (2714827764).

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

1301334540 is a wasteful number, since it uses less digits than its factorization.

1301334540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20447 (or 20445 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 1301334540 is about 36074.0147474605. The cubic root of 1301334540 is about 1091.7662187894.

Adding to 1301334540 its reverse (454331031), we get a palindrome (1755665571).

The spelling of 1301334540 in words is "one billion, three hundred one million, three hundred thirty-four thousand, five hundred forty".