132654155602621 has 4 divisors (see below), whose sum is σ = 132662479277692. Its totient is φ = 132645831927552.

The previous prime is 132654155602561. The next prime is 132654155602637. The reversal of 132654155602621 is 126206551456231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 93539575755396 + 39114579847225 = 9671586^2 + 6254165^2 .

It is a cyclic number.

It is not a de Polignac number, because 132654155602621 - 2³³ = 132645565668029 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 (132654155602321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4161813630 + ... + 4161845503.

It is an arithmetic number, because the mean of its divisors is an integer number (33165619819423).

Almost surely, 2^{132654155602621} is an apocalyptic number.

It is an amenable number.

132654155602621 is a deficient number, since it is larger than the sum of its proper divisors (8323675071).

132654155602621 is an equidigital number, since it uses as much as digits as its factorization.

132654155602621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8323675070.

The product of its (nonzero) digits is 2592000, while the sum is 49.

The spelling of 132654155602621 in words is "one hundred thirty-two trillion, six hundred fifty-four billion, one hundred fifty-five million, six hundred two thousand, six hundred twenty-one".