140111400 has 384 divisors, whose sum is σ = 539965440. Its totient is φ = 29568000.

The previous prime is 140111369. The next prime is 140111417. The reversal of 140111400 is 4111041.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1973365 + ... + 1973435.

It is an arithmetic number, because the mean of its divisors is an integer number (1406160).

Almost surely, 2^140111400 is an apocalyptic number.

140111400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140111400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269982720).

140111400 is an abundant number, since it is smaller than the sum of its proper divisors (399854040).

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

140111400 is a wasteful number, since it uses less digits than its factorization.

140111400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 128 counting only the distinct ones).

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

The square root of 140111400 is about 11836.8661393124. The cubic root of 140111400 is about 519.3870983959.

Adding to 140111400 its reverse (4111041), we get a palindrome (144222441).

The spelling of 140111400 in words is "one hundred forty million, one hundred eleven thousand, four hundred".