111400140 has 48 divisors (see below), whose sum is σ = 312957792. Its totient is φ = 29607936.

The previous prime is 111400129. The next prime is 111400141. The reversal of 111400140 is 41004111.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (111400141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16092 + ... + 21948.

It is an arithmetic number, because the mean of its divisors is an integer number (6519954).

Almost surely, 2^111400140 is an apocalyptic number.

111400140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111400140 is an abundant number, since it is smaller than the sum of its proper divisors (201557652).

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

111400140 is a wasteful number, since it uses less digits than its factorization.

111400140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6186 (or 6184 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 111400140 is about 10554.6264737318. The cubic root of 111400140 is about 481.1663476348.

Adding to 111400140 its reverse (41004111), we get a palindrome (152404251).

The spelling of 111400140 in words is "one hundred eleven million, four hundred thousand, one hundred forty".