132400001 has 4 divisors (see below), whose sum is σ = 132430272. Its totient is φ = 132369732.

The previous prime is 132399959. The next prime is 132400007. The reversal of 132400001 is 100004231.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 100004231 = 2593 ⋅38567.

It is a cyclic number.

It is not a de Polignac number, because 132400001 - 2¹⁰ = 132398977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132400007) 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, 7181 + ... + 17786.

It is an arithmetic number, because the mean of its divisors is an integer number (33107568).

Almost surely, 2^132400001 is an apocalyptic number.

It is an amenable number.

132400001 is a deficient number, since it is larger than the sum of its proper divisors (30271).

132400001 is an equidigital number, since it uses as much as digits as its factorization.

132400001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30270.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 132400001 is about 11506.5199343676. The cubic root of 132400001 is about 509.6781270306.

Adding to 132400001 its reverse (100004231), we get a palindrome (232404232).

The spelling of 132400001 in words is "one hundred thirty-two million, four hundred thousand, one".