1440131353 has 16 divisors (see below), whose sum is σ = 1648494720. Its totient is φ = 1249364736.

The previous prime is 1440131351. The next prime is 1440131389. The reversal of 1440131353 is 3531310441.

It is a cyclic number.

It is not a de Polignac number, because 1440131353 - 2¹ = 1440131351 is a prime.

It is a super-2 number, since 2×1440131353² = 4147956627787221218, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1440131351) 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, 48301 + ... + 72202.

It is an arithmetic number, because the mean of its divisors is an integer number (103030920).

Almost surely, 2^1440131353 is an apocalyptic number.

It is an amenable number.

1440131353 is a deficient number, since it is larger than the sum of its proper divisors (208363367).

1440131353 is a wasteful number, since it uses less digits than its factorization.

1440131353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120576.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 1440131353 is about 37949.0626102938. The cubic root of 1440131353 is about 1129.2775691426.

Adding to 1440131353 its reverse (3531310441), we get a palindrome (4971441794).

It can be divided in two parts, 14401 and 31353, that added together give a palindrome (45754).

The spelling of 1440131353 in words is "one billion, four hundred forty million, one hundred thirty-one thousand, three hundred fifty-three".