1402005142 has 8 divisors (see below), whose sum is σ = 2103271632. Its totient is φ = 700914600.

The previous prime is 1402005119. The next prime is 1402005167. The reversal of 1402005142 is 2415002041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21834 + ... + 57277.

It is an arithmetic number, because the mean of its divisors is an integer number (262908954).

Almost surely, 2^1402005142 is an apocalyptic number.

1402005142 is a deficient number, since it is larger than the sum of its proper divisors (701266490).

1402005142 is an equidigital number, since it uses as much as digits as its factorization.

1402005142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87974.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 1402005142 is about 37443.3591174724. The cubic root of 1402005142 is about 1119.2227659220. Note that the first 3 decimals are identical.

Adding to 1402005142 its reverse (2415002041), we get a palindrome (3817007183).

The spelling of 1402005142 in words is "one billion, four hundred two million, five thousand, one hundred forty-two".