1404136755146 has 4 divisors (see below), whose sum is σ = 2106205132722. Its totient is φ = 702068377572.

The previous prime is 1404136755137. The next prime is 1404136755157. The reversal of 1404136755146 is 6415576314041.

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

It can be written as a sum of positive squares in only one way, i.e., 1368406304521 + 35730450625 = 1169789^2 + 189025^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1404136755146.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 351034188785 + ... + 351034188788.

Almost surely, 2^{1404136755146} is an apocalyptic number.

1404136755146 is a deficient number, since it is larger than the sum of its proper divisors (702068377576).

1404136755146 is an equidigital number, since it uses as much as digits as its factorization.

1404136755146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702068377575.

The product of its (nonzero) digits is 1209600, while the sum is 47.

The spelling of 1404136755146 in words is "one trillion, four hundred four billion, one hundred thirty-six million, seven hundred fifty-five thousand, one hundred forty-six".