1404253435139 has 4 divisors (see below), whose sum is σ = 1404415429440. Its totient is φ = 1404091440840.

The previous prime is 1404253435111. The next prime is 1404253435147. The reversal of 1404253435139 is 9315343524041.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1404253435139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1404253435139.

It is not an unprimeable number, because it can be changed into a prime (1404253435159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80984147 + ... + 81001484.

It is an arithmetic number, because the mean of its divisors is an integer number (351103857360).

Almost surely, 2^{1404253435139} is an apocalyptic number.

1404253435139 is a deficient number, since it is larger than the sum of its proper divisors (161994301).

1404253435139 is an equidigital number, since it uses as much as digits as its factorization.

1404253435139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161994300.

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 1404253435139 in words is "one trillion, four hundred four billion, two hundred fifty-three million, four hundred thirty-five thousand, one hundred thirty-nine".