132402001 has 4 divisors (see below), whose sum is σ = 140190372. Its totient is φ = 124613632.

The previous prime is 132401999. The next prime is 132402019. The reversal of 132402001 is 100204231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100204231 = 347 ⋅288773.

It can be written as a sum of positive squares in 2 ways, for example, as 119333776 + 13068225 = 10924^2 + 3615^2 .

It is a cyclic number.

It is not a de Polignac number, because 132402001 - 2¹ = 132401999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132402041) 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, 3894160 + ... + 3894193.

It is an arithmetic number, because the mean of its divisors is an integer number (35047593).

Almost surely, 2^132402001 is an apocalyptic number.

It is an amenable number.

132402001 is a deficient number, since it is larger than the sum of its proper divisors (7788371).

132402001 is an equidigital number, since it uses as much as digits as its factorization.

132402001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7788370.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 132402001 is about 11506.6068412891. The cubic root of 132402001 is about 509.6806933728.

Adding to 132402001 its reverse (100204231), we get a palindrome (232606232).

The spelling of 132402001 in words is "one hundred thirty-two million, four hundred two thousand, one".