1418279728141 has 4 divisors (see below), whose sum is σ = 1418446181884. Its totient is φ = 1418113274400.

The previous prime is 1418279728123. The next prime is 1418279728157.

1418279728141 is nontrivially palindromic in base 10.

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 373529991241 + 1044749736900 = 611171^2 + 1022130^2 .

It is a cyclic number.

It is not a de Polignac number, because 1418279728141 - 2²¹ = 1418277630989 is a prime.

It is the 1190916-th Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1418279728111) by changing a digit.

It is a nontrivial repunit in base 1190915.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83214090 + ... + 83231131.

It is an arithmetic number, because the mean of its divisors is an integer number (354611545471).

Almost surely, 2^{1418279728141} is an apocalyptic number.

It is an amenable number.

1418279728141 is a deficient number, since it is larger than the sum of its proper divisors (166453743).

1418279728141 is an equidigital number, since it uses as much as digits as its factorization.

1418279728141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166453742.

The product of its digits is 1806336, while the sum is 55.

The spelling of 1418279728141 in words is "one trillion, four hundred eighteen billion, two hundred seventy-nine million, seven hundred twenty-eight thousand, one hundred forty-one".