132638363698129 has 3 divisors (see below), whose sum is σ = 132638375215003. Its totient is φ = 132638352181256.

The previous prime is 132638363698103. The next prime is 132638363698147. The reversal of 132638363698129 is 921896363836231.

The square root of 132638363698129 is 11516873.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 2275677846225 + 130362685851904 = 1508535^2 + 11417648^2 .

It is not a de Polignac number, because 132638363698129 - 2¹¹ = 132638363696081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132638363678129) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5758437 + ... + 17275309.

Almost surely, 2^{132638363698129} is an apocalyptic number.

132638363698129 is the 11516873-rd square number.

132638363698129 is the 5758437-th centered octagonal number.

It is an amenable number.

132638363698129 is a deficient number, since it is larger than the sum of its proper divisors (11516874).

132638363698129 is an frugal number, since it uses more digits than its factorization.

132638363698129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23033746 (or 11516873 counting only the distinct ones).

The product of its digits is 362797056, while the sum is 70.

The spelling of 132638363698129 in words is "one hundred thirty-two trillion, six hundred thirty-eight billion, three hundred sixty-three million, six hundred ninety-eight thousand, one hundred twenty-nine".