132968821621 has 8 divisors (see below), whose sum is σ = 133241531040. Its totient is φ = 132696341712.

The previous prime is 132968821577. The next prime is 132968821753. The reversal of 132968821621 is 126128869231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 132968821621 - 2¹³ = 132968813429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132968828621) 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, 1127470 + ... + 1239808.

It is an arithmetic number, because the mean of its divisors is an integer number (16655191380).

Almost surely, 2^132968821621 is an apocalyptic number.

It is an amenable number.

132968821621 is a deficient number, since it is larger than the sum of its proper divisors (272709419).

132968821621 is a wasteful number, since it uses less digits than its factorization.

132968821621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114755.

The product of its digits is 497664, while the sum is 49.

The spelling of 132968821621 in words is "one hundred thirty-two billion, nine hundred sixty-eight million, eight hundred twenty-one thousand, six hundred twenty-one".