132621554 has 8 divisors (see below), whose sum is σ = 214234860. Its totient is φ = 61209936.

The previous prime is 132621551. The next prime is 132621563. The reversal of 132621554 is 455126231.

132621554 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 117137329 + 15484225 = 10823^2 + 3935^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (132621551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2550389 + ... + 2550440.

Almost surely, 2^132621554 is an apocalyptic number.

132621554 is a deficient number, since it is larger than the sum of its proper divisors (81613306).

132621554 is a wasteful number, since it uses less digits than its factorization.

132621554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5100844.

The product of its digits is 7200, while the sum is 29.

The square root of 132621554 is about 11516.1431911904. The cubic root of 132621554 is about 509.9622604395.

Adding to 132621554 its reverse (455126231), we get a palindrome (587747785).

The spelling of 132621554 in words is "one hundred thirty-two million, six hundred twenty-one thousand, five hundred fifty-four".