132640255422401 has 8 divisors (see below), whose sum is σ = 137629509948840. Its totient is φ = 127724915778048.

The previous prime is 132640255422377. The next prime is 132640255422529. The reversal of 132640255422401 is 104224552046231.

It can be written as a sum of positive squares in 4 ways, for example, as 50052582796225 + 82587672626176 = 7074785^2 + 9087776^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-132640255422401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132640255622401) 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, 18478716866 + ... + 18478724043.

It is an arithmetic number, because the mean of its divisors is an integer number (17203688743605).

Almost surely, 2^{132640255422401} is an apocalyptic number.

It is an amenable number.

132640255422401 is a deficient number, since it is larger than the sum of its proper divisors (4989254526439).

132640255422401 is an equidigital number, since it uses as much as digits as its factorization.

132640255422401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36957441043.

The product of its (nonzero) digits is 460800, while the sum is 41.

The spelling of 132640255422401 in words is "one hundred thirty-two trillion, six hundred forty billion, two hundred fifty-five million, four hundred twenty-two thousand, four hundred one".