1440103141 has 4 divisors (see below), whose sum is σ = 1489761900. Its totient is φ = 1390444384.

The previous prime is 1440103129. The next prime is 1440103169. The reversal of 1440103141 is 1413010441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 498227041 + 941876100 = 22321^2 + 30690^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1440103141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440103741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24829336 + ... + 24829393.

It is an arithmetic number, because the mean of its divisors is an integer number (372440475).

Almost surely, 2^1440103141 is an apocalyptic number.

It is an amenable number.

1440103141 is a deficient number, since it is larger than the sum of its proper divisors (49658759).

1440103141 is an equidigital number, since it uses as much as digits as its factorization.

1440103141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49658758.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1440103141 is about 37948.6908996872. The cubic root of 1440103141 is about 1129.2701949572.

Adding to 1440103141 its reverse (1413010441), we get a palindrome (2853113582).

The spelling of 1440103141 in words is "one billion, four hundred forty million, one hundred three thousand, one hundred forty-one".