132556387 has 4 divisors (see below), whose sum is σ = 132906520. Its totient is φ = 132206256.

The previous prime is 132556381. The next prime is 132556397. The reversal of 132556387 is 783655231.

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 132556387 - 2¹¹ = 132554339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132556381) 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, 174498 + ... + 175255.

It is an arithmetic number, because the mean of its divisors is an integer number (33226630).

Almost surely, 2^132556387 is an apocalyptic number.

132556387 is a deficient number, since it is larger than the sum of its proper divisors (350133).

132556387 is an equidigital number, since it uses as much as digits as its factorization.

132556387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350132.

The product of its digits is 151200, while the sum is 40.

The square root of 132556387 is about 11513.3134674602. The cubic root of 132556387 is about 509.8787190785.

The spelling of 132556387 in words is "one hundred thirty-two million, five hundred fifty-six thousand, three hundred eighty-seven".