132540457 has 8 divisors (see below), whose sum is σ = 153608832. Its totient is φ = 112005600.

The previous prime is 132540451. The next prime is 132540481. The reversal of 132540457 is 754045231.

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

It is not a de Polignac number, because 132540457 - 2¹⁵ = 132507689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132540451) 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, 132844 + ... + 133837.

It is an arithmetic number, because the mean of its divisors is an integer number (19201104).

Almost surely, 2^132540457 is an apocalyptic number.

It is an amenable number.

132540457 is a deficient number, since it is larger than the sum of its proper divisors (21068375).

132540457 is an equidigital number, since it uses as much as digits as its factorization.

132540457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266759.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 132540457 is about 11512.6216388797. The cubic root of 132540457 is about 509.8582933221.

Adding to 132540457 its reverse (754045231), we get a palindrome (886585688).

The spelling of 132540457 in words is "one hundred thirty-two million, five hundred forty thousand, four hundred fifty-seven".