132401057 has 4 divisors (see below), whose sum is σ = 132582420. Its totient is φ = 132219696.

The previous prime is 132401053. The next prime is 132401069. The reversal of 132401057 is 750104231.

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 131583841 + 817216 = 11471^2 + 904^2 .

It is a cyclic number.

It is not a de Polignac number, because 132401057 - 2² = 132401053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132401053) 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, 89582 + ... + 91047.

It is an arithmetic number, because the mean of its divisors is an integer number (33145605).

Almost surely, 2^132401057 is an apocalyptic number.

It is an amenable number.

132401057 is a deficient number, since it is larger than the sum of its proper divisors (181363).

132401057 is an equidigital number, since it uses as much as digits as its factorization.

132401057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181362.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 132401057 is about 11506.5658213039. The cubic root of 132401057 is about 509.6794820625.

Adding to 132401057 its reverse (750104231), we get a palindrome (882505288).

The spelling of 132401057 in words is "one hundred thirty-two million, four hundred one thousand, fifty-seven".