1400111140 has 48 divisors (see below), whose sum is σ = 3098733120. Its totient is φ = 529925760.

The previous prime is 1400111137. The next prime is 1400111171. The reversal of 1400111140 is 411110041.

It is a super-2 number, since 2×1400111140² = 3920622408704199200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1400111140.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 413655 + ... + 417025.

It is an arithmetic number, because the mean of its divisors is an integer number (64556940).

Almost surely, 2^1400111140 is an apocalyptic number.

1400111140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1400111140 is an abundant number, since it is smaller than the sum of its proper divisors (1698621980).

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

1400111140 is a wasteful number, since it uses less digits than its factorization.

1400111140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4492 (or 4490 counting only the distinct ones).

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

The square root of 1400111140 is about 37418.0590089866. The cubic root of 1400111140 is about 1118.7185439383.

Adding to 1400111140 its reverse (411110041), we get a palindrome (1811221181).

The spelling of 1400111140 in words is "one billion, four hundred million, one hundred eleven thousand, one hundred forty".