1440354115135 has 48 divisors (see below), whose sum is σ = 1982150533440. Its totient is φ = 1000852469760.

The previous prime is 1440354115127. The next prime is 1440354115141. The reversal of 1440354115135 is 5315114530441.

It is not a de Polignac number, because 1440354115135 - 2³ = 1440354115127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1440354115094 and 1440354115103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 86598270 + ... + 86614900.

It is an arithmetic number, because the mean of its divisors is an integer number (41294802780).

Almost surely, 2^{1440354115135} is an apocalyptic number.

1440354115135 is a deficient number, since it is larger than the sum of its proper divisors (541796418305).

1440354115135 is a wasteful number, since it uses less digits than its factorization.

1440354115135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22708 (or 22695 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 37.

Adding to 1440354115135 its reverse (5315114530441), we get a palindrome (6755468645576).

The spelling of 1440354115135 in words is "one trillion, four hundred forty billion, three hundred fifty-four million, one hundred fifteen thousand, one hundred thirty-five".