1300440140 has 24 divisors (see below), whose sum is σ = 2733934560. Its totient is φ = 519602688.

The previous prime is 1300440139. The next prime is 1300440149. The reversal of 1300440140 is 410440031.

It is a super-3 number, since 3×1300440140³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1300440149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16997 + ... + 53756.

It is an arithmetic number, because the mean of its divisors is an integer number (113913940).

Almost surely, 2^1300440140 is an apocalyptic number.

1300440140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1300440140 is an abundant number, since it is smaller than the sum of its proper divisors (1433494420).

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

1300440140 is a wasteful number, since it uses less digits than its factorization.

1300440140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71681 (or 71679 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1300440140 is about 36061.6158817100. The cubic root of 1300440140 is about 1091.5160398461.

Adding to 1300440140 its reverse (410440031), we get a palindrome (1710880171).

The spelling of 1300440140 in words is "one billion, three hundred million, four hundred forty thousand, one hundred forty".