1401442142 has 8 divisors (see below), whose sum is σ = 2104994736. Its totient is φ = 699777232.

The previous prime is 1401442117. The next prime is 1401442183. The reversal of 1401442142 is 2412441041.

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, 470063 + ... + 473034.

It is an arithmetic number, because the mean of its divisors is an integer number (263124342).

Almost surely, 2^1401442142 is an apocalyptic number.

1401442142 is a deficient number, since it is larger than the sum of its proper divisors (703552594).

1401442142 is an equidigital number, since it uses as much as digits as its factorization.

1401442142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943842.

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 1401442142 is about 37435.8403405079. The cubic root of 1401442142 is about 1119.0729312881.

Adding to 1401442142 its reverse (2412441041), we get a palindrome (3813883183).

The spelling of 1401442142 in words is "one billion, four hundred one million, four hundred forty-two thousand, one hundred forty-two".