1401110140 has 24 divisors (see below), whose sum is σ = 2958594912. Its totient is φ = 557346240.

The previous prime is 1401110129. The next prime is 1401110143. The reversal of 1401110140 is 410111041.

It is a self number, because there is not a number n which added to its sum of digits gives 1401110140.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189904 + ... + 197143.

It is an arithmetic number, because the mean of its divisors is an integer number (123274788).

Almost surely, 2^1401110140 is an apocalyptic number.

1401110140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1401110140 is an abundant number, since it is smaller than the sum of its proper divisors (1557484772).

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

1401110140 is a wasteful number, since it uses less digits than its factorization.

1401110140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387237 (or 387235 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1401110140 is about 37431.4057978057. The cubic root of 1401110140 is about 1118.9845547549.

Adding to 1401110140 its reverse (410111041), we get a palindrome (1811221181).

Subtracting from 1401110140 its reverse (410111041), we obtain a palindrome (990999099).

The spelling of 1401110140 in words is "one billion, four hundred one million, one hundred ten thousand, one hundred forty".