140643344125 has 32 divisors (see below), whose sum is σ = 177430256640. Its totient is φ = 111298320000.

The previous prime is 140643344099. The next prime is 140643344129. The reversal of 140643344125 is 521443346041.

It is not a de Polignac number, because 140643344125 - 2¹⁵ = 140643311357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140643344129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4495537 + ... + 4526713.

It is an arithmetic number, because the mean of its divisors is an integer number (5544695520).

Almost surely, 2^140643344125 is an apocalyptic number.

It is an amenable number.

140643344125 is a deficient number, since it is larger than the sum of its proper divisors (36786912515).

140643344125 is a wasteful number, since it uses less digits than its factorization.

140643344125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31582 (or 31572 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

The spelling of 140643344125 in words is "one hundred forty billion, six hundred forty-three million, three hundred forty-four thousand, one hundred twenty-five".