140621601662122 has 16 divisors (see below), whose sum is σ = 247580889413760. Its totient is φ = 58637579071248.

The previous prime is 140621601662093. The next prime is 140621601662197. The reversal of 140621601662122 is 221266106126041.

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, 135735136222 + ... + 135735137257.

It is an arithmetic number, because the mean of its divisors is an integer number (15473805588360).

Almost surely, 2^{140621601662122} is an apocalyptic number.

140621601662122 is a deficient number, since it is larger than the sum of its proper divisors (106959287751638).

140621601662122 is a wasteful number, since it uses less digits than its factorization.

140621601662122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271470273525.

The product of its (nonzero) digits is 82944, while the sum is 40.

Adding to 140621601662122 its reverse (221266106126041), we get a palindrome (361887707788163).

The spelling of 140621601662122 in words is "one hundred forty trillion, six hundred twenty-one billion, six hundred one million, six hundred sixty-two thousand, one hundred twenty-two".