133463 has 6 divisors (see below), whose sum is σ = 146832. Its totient is φ = 121220.

The previous prime is 133451. The next prime is 133481. The reversal of 133463 is 364331.

It is not a de Polignac number, because 133463 - 2⁴ = 133447 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 (133403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 431 + ... + 672.

It is an arithmetic number, because the mean of its divisors is an integer number (24472).

2¹³³⁴⁶³ is an apocalyptic number.

133463 is a deficient number, since it is larger than the sum of its proper divisors (13369).

133463 is a wasteful number, since it uses less digits than its factorization.

133463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125 (or 1114 counting only the distinct ones).

The product of its digits is 648, while the sum is 20.

The square root of 133463 is about 365.3258819191. The cubic root of 133463 is about 51.1038509256.

Adding to 133463 its reverse (364331), we get a palindrome (497794).

The spelling of 133463 in words is "one hundred thirty-three thousand, four hundred sixty-three".