140040012 has 24 divisors (see below), whose sum is σ = 373440256. Its totient is φ = 40011408.

The previous prime is 140040001. The next prime is 140040029. The reversal of 140040012 is 210040041.

It is a super-2 number, since 2×140040012² = 39222409921920288, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 140040012.

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 7 ways as a sum of consecutive naturals, for example, 833488 + ... + 833655.

Almost surely, 2^140040012 is an apocalyptic number.

140040012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140040012 is an abundant number, since it is smaller than the sum of its proper divisors (233400244).

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

140040012 is a wasteful number, since it uses less digits than its factorization.

140040012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1667157 (or 1667155 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 140040012 is about 11833.8502610097. The cubic root of 140040012 is about 519.2988726338.

Adding to 140040012 its reverse (210040041), we get a palindrome (350080053).

The spelling of 140040012 in words is "one hundred forty million, forty thousand, twelve".