1440741131 has 2 divisors, whose sum is σ = 1440741132. Its totient is φ = 1440741130.

The previous prime is 1440741103. The next prime is 1440741157. The reversal of 1440741131 is 1311470441.

It is an a-pointer prime, because the next prime (1440741157) can be obtained adding 1440741131 to its sum of digits (26).

It is a strong prime.

It is an emirp because it is prime and its reverse (1311470441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1440741131 - 2¹⁸ = 1440478987 is a prime.

It is a super-2 number, since 2×1440741131² = 4151470013110318322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1440741131.

It is not a weakly prime, because it can be changed into another prime (1440740131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720370565 + 720370566.

It is an arithmetic number, because the mean of its divisors is an integer number (720370566).

Almost surely, 2^1440741131 is an apocalyptic number.

1440741131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1440741131 is an equidigital number, since it uses as much as digits as its factorization.

1440741131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 1440741131 is about 37957.0959242142. The cubic root of 1440741131 is about 1129.4369322565.

The spelling of 1440741131 in words is "one billion, four hundred forty million, seven hundred forty-one thousand, one hundred thirty-one".