132006451 has 4 divisors (see below), whose sum is σ = 132670000. Its totient is φ = 131342904.

The previous prime is 132006443. The next prime is 132006559. The reversal of 132006451 is 154600231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 132006451 - 2³ = 132006443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132006421) 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, 331476 + ... + 331873.

It is an arithmetic number, because the mean of its divisors is an integer number (33167500).

Almost surely, 2^132006451 is an apocalyptic number.

132006451 is a deficient number, since it is larger than the sum of its proper divisors (663549).

132006451 is an equidigital number, since it uses as much as digits as its factorization.

132006451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663548.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 132006451 is about 11489.4060333857. The cubic root of 132006451 is about 509.1726313236.

Adding to 132006451 its reverse (154600231), we get a palindrome (286606682).

The spelling of 132006451 in words is "one hundred thirty-two million, six thousand, four hundred fifty-one".