132440258 has 8 divisors (see below), whose sum is σ = 203280528. Its totient is φ = 64680084.

The previous prime is 132440257. The next prime is 132440263. The reversal of 132440258 is 852044231.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 132440258.

It is not an unprimeable number, because it can be changed into a prime (132440257) 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 3 ways as a sum of consecutive naturals, for example, 769916 + ... + 770087.

It is an arithmetic number, because the mean of its divisors is an integer number (25410066).

Almost surely, 2^132440258 is an apocalyptic number.

132440258 is a deficient number, since it is larger than the sum of its proper divisors (70840270).

132440258 is a wasteful number, since it uses less digits than its factorization.

132440258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540048.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 132440258 is about 11508.2691139893. The cubic root of 132440258 is about 509.7297786746.

Adding to 132440258 its reverse (852044231), we get a palindrome (984484489).

The spelling of 132440258 in words is "one hundred thirty-two million, four hundred forty thousand, two hundred fifty-eight".