1402144042 has 16 divisors (see below), whose sum is σ = 2274989472. Its totient is φ = 644289840.

The previous prime is 1402144039. The next prime is 1402144049. The reversal of 1402144042 is 2404412041.

It is not an unprimeable number, because it can be changed into a prime (1402144049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112884 + ... + 124687.

It is an arithmetic number, because the mean of its divisors is an integer number (142186842).

Almost surely, 2^1402144042 is an apocalyptic number.

1402144042 is a deficient number, since it is larger than the sum of its proper divisors (872845430).

1402144042 is a wasteful number, since it uses less digits than its factorization.

1402144042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237813.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 1402144042 is about 37445.2138730706. The cubic root of 1402144042 is about 1119.2597260595.

Adding to 1402144042 its reverse (2404412041), we get a palindrome (3806556083).

The spelling of 1402144042 in words is "one billion, four hundred two million, one hundred forty-four thousand, forty-two".