132440243 has 4 divisors (see below), whose sum is σ = 142627968. Its totient is φ = 122252520.

The previous prime is 132440239. The next prime is 132440257. The reversal of 132440243 is 342044231.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 132440243 - 2² = 132440239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132440263) 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, 5093843 + ... + 5093868.

It is an arithmetic number, because the mean of its divisors is an integer number (35656992).

Almost surely, 2^132440243 is an apocalyptic number.

132440243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

132440243 is a deficient number, since it is larger than the sum of its proper divisors (10187725).

132440243 is a wasteful number, since it uses less digits than its factorization.

132440243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10187724.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 132440243 is about 11508.2684622840. The cubic root of 132440243 is about 509.7297594308.

Adding to 132440243 its reverse (342044231), we get a palindrome (474484474).

The spelling of 132440243 in words is "one hundred thirty-two million, four hundred forty thousand, two hundred forty-three".