140531146444 has 24 divisors (see below), whose sum is σ = 266601130208. Its totient is φ = 64430985600.

The previous prime is 140531146439. The next prime is 140531146447. The reversal of 140531146444 is 444641135041.

140531146444 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (140531146447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8940897 + ... + 8956600.

Almost surely, 2^140531146444 is an apocalyptic number.

It is an amenable number.

140531146444 is a deficient number, since it is larger than the sum of its proper divisors (126069983764).

140531146444 is a wasteful number, since it uses less digits than its factorization.

140531146444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17897665 (or 17897663 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 37.

The spelling of 140531146444 in words is "one hundred forty billion, five hundred thirty-one million, one hundred forty-six thousand, four hundred forty-four".