132520451 has 16 divisors (see below), whose sum is σ = 155640000. Its totient is φ = 112783104.

The previous prime is 132520447. The next prime is 132520489. The reversal of 132520451 is 154025231.

It is not a de Polignac number, because 132520451 - 2² = 132520447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132520951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49811 + ... + 52403.

It is an arithmetic number, because the mean of its divisors is an integer number (9727500).

Almost surely, 2^132520451 is an apocalyptic number.

132520451 is a deficient number, since it is larger than the sum of its proper divisors (23119549).

132520451 is an equidigital number, since it uses as much as digits as its factorization.

132520451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2763 (or 2749 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 132520451 is about 11511.7527336197. The cubic root of 132520451 is about 509.8326389207.

Adding to 132520451 its reverse (154025231), we get a palindrome (286545682).

The spelling of 132520451 in words is "one hundred thirty-two million, five hundred twenty thousand, four hundred fifty-one".