133479 has 6 divisors (see below), whose sum is σ = 192816. Its totient is φ = 88980.

The previous prime is 133451. The next prime is 133481. The reversal of 133479 is 974331.

It is not a de Polignac number, because 133479 - 2⁵ = 133447 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133439) 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, 7407 + ... + 7424.

It is an arithmetic number, because the mean of its divisors is an integer number (32136).

2¹³³⁴⁷⁹ is an apocalyptic number.

133479 is a deficient number, since it is larger than the sum of its proper divisors (59337).

133479 is a wasteful number, since it uses less digits than its factorization.

133479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14837 (or 14834 counting only the distinct ones).

The product of its digits is 2268, while the sum is 27.

The square root of 133479 is about 365.3477795197. The cubic root of 133479 is about 51.1058930121.

The spelling of 133479 in words is "one hundred thirty-three thousand, four hundred seventy-nine".