140143403512 has 64 divisors (see below), whose sum is σ = 311349196800. Its totient is φ = 57870011520.

The previous prime is 140143403509. The next prime is 140143403531. The reversal of 140143403512 is 215304341041.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221283 + ... + 573805.

It is an arithmetic number, because the mean of its divisors is an integer number (4864831200).

Almost surely, 2^140143403512 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 140143403512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155674598400).

140143403512 is an abundant number, since it is smaller than the sum of its proper divisors (171205793288).

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

140143403512 is a wasteful number, since it uses less digits than its factorization.

140143403512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352796 (or 352792 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 140143403512 its reverse (215304341041), we get a palindrome (355447744553).

The spelling of 140143403512 in words is "one hundred forty billion, one hundred forty-three million, four hundred three thousand, five hundred twelve".