1400204121141 has 48 divisors (see below), whose sum is σ = 2249629597440. Its totient is φ = 771495984000.

The previous prime is 1400204121137. The next prime is 1400204121149. The reversal of 1400204121141 is 1411214020041.

It is not a de Polignac number, because 1400204121141 - 2² = 1400204121137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400204121149) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 2982835 + ... + 3420191.

It is an arithmetic number, because the mean of its divisors is an integer number (46867283280).

Almost surely, 2^{1400204121141} is an apocalyptic number.

It is an amenable number.

1400204121141 is a deficient number, since it is larger than the sum of its proper divisors (849425476299).

1400204121141 is a wasteful number, since it uses less digits than its factorization.

1400204121141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438154 (or 438147 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 1400204121141 its reverse (1411214020041), we get a palindrome (2811418141182).

The spelling of 1400204121141 in words is "one trillion, four hundred billion, two hundred four million, one hundred twenty-one thousand, one hundred forty-one".