140322012 has 48 divisors (see below), whose sum is σ = 351106560. Its totient is φ = 43460352.

The previous prime is 140321999. The next prime is 140322023. The reversal of 140322012 is 210223041.

It is a junction number, because it is equal to n+sod(n) for n = 140321982 and 140322000.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 11763 + ... + 20469.

It is an arithmetic number, because the mean of its divisors is an integer number (7314720).

Almost surely, 2^140322012 is an apocalyptic number.

140322012 is a gapful number since it is divisible by the number (12) 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 140322012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175553280).

140322012 is an abundant number, since it is smaller than the sum of its proper divisors (210784548).

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

140322012 is a wasteful number, since it uses less digits than its factorization.

140322012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8810 (or 8808 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 140322012 is about 11845.7592411799. The cubic root of 140322012 is about 519.6472113987.

Adding to 140322012 its reverse (210223041), we get a palindrome (350545053).

The spelling of 140322012 in words is "one hundred forty million, three hundred twenty-two thousand, twelve".