133344463 has 8 divisors (see below), whose sum is σ = 152726528. Its totient is φ = 114045624.

The previous prime is 133344457. The next prime is 133344473. The reversal of 133344463 is 364443331.

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

It is not a de Polignac number, because 133344463 - 2¹⁷ = 133213391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133344433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17331 + ... + 23812.

It is an arithmetic number, because the mean of its divisors is an integer number (19090816).

Almost surely, 2^133344463 is an apocalyptic number.

133344463 is a deficient number, since it is larger than the sum of its proper divisors (19382065).

133344463 is an equidigital number, since it uses as much as digits as its factorization.

133344463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41613.

The product of its digits is 31104, while the sum is 31.

The square root of 133344463 is about 11547.4873024394. The cubic root of 133344463 is about 510.8871691478.

Adding to 133344463 its reverse (364443331), we get a palindrome (497787794).

It can be divided in two parts, 1333 and 44463, that added together give a square (45796 = 214²).

The spelling of 133344463 in words is "one hundred thirty-three million, three hundred forty-four thousand, four hundred sixty-three".