1401404242141 has 4 divisors (see below), whose sum is σ = 1401551164800. Its totient is φ = 1401257319484.

The previous prime is 1401404242093. The next prime is 1401404242153. The reversal of 1401404242141 is 1412424041041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1401404242141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401404246141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73447021 + ... + 73466098.

It is an arithmetic number, because the mean of its divisors is an integer number (350387791200).

Almost surely, 2^{1401404242141} is an apocalyptic number.

It is an amenable number.

1401404242141 is a deficient number, since it is larger than the sum of its proper divisors (146922659).

1401404242141 is an equidigital number, since it uses as much as digits as its factorization.

1401404242141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146922658.

The product of its (nonzero) digits is 4096, while the sum is 28.

Adding to 1401404242141 its reverse (1412424041041), we get a palindrome (2813828283182).

The spelling of 1401404242141 in words is "one trillion, four hundred one billion, four hundred four million, two hundred forty-two thousand, one hundred forty-one".