13732021077 has 4 divisors (see below), whose sum is σ = 18309361440. Its totient is φ = 9154680716.

The previous prime is 13732021073. The next prime is 13732021091. The reversal of 13732021077 is 77012023731.

13732021077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13732021077 - 2² = 13732021073 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13732021073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2288670177 + ... + 2288670182.

It is an arithmetic number, because the mean of its divisors is an integer number (4577340360).

Almost surely, 2^13732021077 is an apocalyptic number.

It is an amenable number.

13732021077 is a deficient number, since it is larger than the sum of its proper divisors (4577340363).

13732021077 is an equidigital number, since it uses as much as digits as its factorization.

13732021077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4577340362.

The product of its (nonzero) digits is 12348, while the sum is 33.

The spelling of 13732021077 in words is "thirteen billion, seven hundred thirty-two million, twenty-one thousand, seventy-seven".