140412112 has 40 divisors (see below), whose sum is σ = 289910016. Its totient is φ = 65650176.

The previous prime is 140412073. The next prime is 140412121. The reversal of 140412112 is 211214041.

It is a happy number.

It is a super-2 number, since 2×140412112² = 39431122392601088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42753 + ... + 45919.

Almost surely, 2^140412112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140412112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144955008).

140412112 is an abundant number, since it is smaller than the sum of its proper divisors (149497904).

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

140412112 is a wasteful number, since it uses less digits than its factorization.

140412112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3355 (or 3349 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 140412112 is about 11849.5616796572. The cubic root of 140412112 is about 519.7584084842.

Adding to 140412112 its reverse (211214041), we get a palindrome (351626153).

The spelling of 140412112 in words is "one hundred forty million, four hundred twelve thousand, one hundred twelve".