140221032546 has 16 divisors (see below), whose sum is σ = 320505217344. Its totient is φ = 40063152144.

The previous prime is 140221032533. The next prime is 140221032577. The reversal of 140221032546 is 645230122041.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1669297965 + ... + 1669298048.

It is an arithmetic number, because the mean of its divisors is an integer number (20031576084).

Almost surely, 2^140221032546 is an apocalyptic number.

140221032546 is an abundant number, since it is smaller than the sum of its proper divisors (180284184798).

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

140221032546 is a wasteful number, since it uses less digits than its factorization.

140221032546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3338596025.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 140221032546 its reverse (645230122041), we get a palindrome (785451154587).

The spelling of 140221032546 in words is "one hundred forty billion, two hundred twenty-one million, thirty-two thousand, five hundred forty-six".