1401110142 has 16 divisors (see below), whose sum is σ = 2804797200. Its totient is φ = 466607232.

The previous prime is 1401110129. The next prime is 1401110143. The reversal of 1401110142 is 2410111041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401110143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100267 + ... + 113382.

It is an arithmetic number, because the mean of its divisors is an integer number (175299825).

Almost surely, 2^1401110142 is an apocalyptic number.

1401110142 is an abundant number, since it is smaller than the sum of its proper divisors (1403687058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1401110142 is a wasteful number, since it uses less digits than its factorization.

1401110142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214747.

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 1401110142 is about 37431.4058245212. The cubic root of 1401110142 is about 1118.9845552873.

Adding to 1401110142 its reverse (2410111041), we get a palindrome (3811221183).

The spelling of 1401110142 in words is "one billion, four hundred one million, one hundred ten thousand, one hundred forty-two".