1405102001144 has 8 divisors (see below), whose sum is σ = 2634566252160. Its totient is φ = 702551000568.

The previous prime is 1405102001141. The next prime is 1405102001161. The reversal of 1405102001144 is 4411002015041.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1405102001141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87818875064 + ... + 87818875079.

It is an arithmetic number, because the mean of its divisors is an integer number (329320781520).

Almost surely, 2^{1405102001144} is an apocalyptic number.

It is an amenable number.

1405102001144 is a deficient number, since it is larger than the sum of its proper divisors (1229464251016).

1405102001144 is a wasteful number, since it uses less digits than its factorization.

1405102001144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175637750149 (or 175637750145 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 1405102001144 its reverse (4411002015041), we get a palindrome (5816104016185).

The spelling of 1405102001144 in words is "one trillion, four hundred five billion, one hundred two million, one thousand, one hundred forty-four".