132420513 has 4 divisors (see below), whose sum is σ = 176560688. Its totient is φ = 88280340.

The previous prime is 132420439. The next prime is 132420517. The reversal of 132420513 is 315024231.

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.

It is a de Polignac number, because none of the positive numbers 2^k-132420513 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 132420513.

It is not an unprimeable number, because it can be changed into a prime (132420517) 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, 22070083 + ... + 22070088.

It is an arithmetic number, because the mean of its divisors is an integer number (44140172).

Almost surely, 2^132420513 is an apocalyptic number.

It is an amenable number.

132420513 is a deficient number, since it is larger than the sum of its proper divisors (44140175).

132420513 is an equidigital number, since it uses as much as digits as its factorization.

132420513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44140174.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 132420513 is about 11507.4112206004. The cubic root of 132420513 is about 509.7044462094.

Adding to 132420513 its reverse (315024231), we get a palindrome (447444744).

The spelling of 132420513 in words is "one hundred thirty-two million, four hundred twenty thousand, five hundred thirteen".