1440313130 has 32 divisors (see below), whose sum is σ = 2798582400. Its totient is φ = 532071232.

The previous prime is 1440313099. The next prime is 1440313157. The reversal of 1440313130 is 313130441.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101300 + ... + 114639.

It is an arithmetic number, because the mean of its divisors is an integer number (87455700).

Almost surely, 2^1440313130 is an apocalyptic number.

1440313130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1440313130 is a deficient number, since it is larger than the sum of its proper divisors (1358269270).

1440313130 is a wasteful number, since it uses less digits than its factorization.

1440313130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215998.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1440313130 is about 37951.4575477675. The cubic root of 1440313130 is about 1129.3250805616.

Adding to 1440313130 its reverse (313130441), we get a palindrome (1753443571).

The spelling of 1440313130 in words is "one billion, four hundred forty million, three hundred thirteen thousand, one hundred thirty".