132126543557 has 8 divisors (see below), whose sum is σ = 139901889816. Its totient is φ = 124351552512.

The previous prime is 132126543541. The next prime is 132126543559. The reversal of 132126543557 is 755345621231.

It can be written as a sum of positive squares in 4 ways, for example, as 4112143876 + 128014399681 = 64126^2 + 357791^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 132126543557 - 2⁴ = 132126543541 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 (132126543559) 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, 1279583 + ... + 1378979.

It is an arithmetic number, because the mean of its divisors is an integer number (17487736227).

Almost surely, 2^132126543557 is an apocalyptic number.

132126543557 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

132126543557 is a deficient number, since it is larger than the sum of its proper divisors (7775346259).

132126543557 is an equidigital number, since it uses as much as digits as its factorization.

132126543557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177607.

The product of its digits is 756000, while the sum is 44.

The spelling of 132126543557 in words is "one hundred thirty-two billion, one hundred twenty-six million, five hundred forty-three thousand, five hundred fifty-seven".