1405045121439 has 8 divisors (see below), whose sum is σ = 1873414670512. Its totient is φ = 936686160000.

The previous prime is 1405045121411. The next prime is 1405045121453. The reversal of 1405045121439 is 9341215405041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1405045121439 - 2⁵ = 1405045121407 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1405045121397 and 1405045121406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1405045121479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2331904 + ... + 2871909.

It is an arithmetic number, because the mean of its divisors is an integer number (234176833814).

Almost surely, 2^{1405045121439} is an apocalyptic number.

1405045121439 is a deficient number, since it is larger than the sum of its proper divisors (468369549073).

1405045121439 is an equidigital number, since it uses as much as digits as its factorization.

1405045121439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5293817.

The product of its (nonzero) digits is 86400, while the sum is 39.

The spelling of 1405045121439 in words is "one trillion, four hundred five billion, forty-five million, one hundred twenty-one thousand, four hundred thirty-nine".