132256643243146 has 4 divisors (see below), whose sum is σ = 198384964864722. Its totient is φ = 66128321621572.

The previous prime is 132256643243141. The next prime is 132256643243177. The reversal of 132256643243146 is 641342346652231.

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

It can be written as a sum of positive squares in only one way, i.e., 131606531616121 + 650111627025 = 11471989^2 + 806295^2 .

It is a junction number, because it is equal to n+sod(n) for n = 132256643243093 and 132256643243102.

It is not an unprimeable number, because it can be changed into a prime (132256643243141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33064160810785 + ... + 33064160810788.

Almost surely, 2^{132256643243146} is an apocalyptic number.

132256643243146 is a deficient number, since it is larger than the sum of its proper divisors (66128321621576).

132256643243146 is an equidigital number, since it uses as much as digits as its factorization.

132256643243146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66128321621575.

The product of its digits is 14929920, while the sum is 52.

Adding to 132256643243146 its reverse (641342346652231), we get a palindrome (773598989895377).

The spelling of 132256643243146 in words is "one hundred thirty-two trillion, two hundred fifty-six billion, six hundred forty-three million, two hundred forty-three thousand, one hundred forty-six".