140673486646 has 16 divisors (see below), whose sum is σ = 263077689600. Its totient is φ = 54807851880.

The previous prime is 140673486631. The next prime is 140673486647. The reversal of 140673486646 is 646684376041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140673486647) 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, 456731946 + ... + 456732253.

It is an arithmetic number, because the mean of its divisors is an integer number (16442355600).

Almost surely, 2^140673486646 is an apocalyptic number.

140673486646 is a deficient number, since it is larger than the sum of its proper divisors (122404202954).

140673486646 is a wasteful number, since it uses less digits than its factorization.

140673486646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913464219.

The product of its (nonzero) digits is 13934592, while the sum is 55.

The spelling of 140673486646 in words is "one hundred forty billion, six hundred seventy-three million, four hundred eighty-six thousand, six hundred forty-six".