133954 has 4 divisors (see below), whose sum is σ = 200934. Its totient is φ = 66976.

The previous prime is 133949. The next prime is 133963. The reversal of 133954 is 459331.

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

It can be written as a sum of positive squares in only one way, i.e., 133225 + 729 = 365^2 + 27^2 .

It is a plaindrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33487 + ... + 33490.

2¹³³⁹⁵⁴ is an apocalyptic number.

133954 is a deficient number, since it is larger than the sum of its proper divisors (66980).

133954 is an equidigital number, since it uses as much as digits as its factorization.

133954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66979.

The product of its digits is 1620, while the sum is 25.

The square root of 133954 is about 365.9972677494. The cubic root of 133954 is about 51.1664432622.

The spelling of 133954 in words is "one hundred thirty-three thousand, nine hundred fifty-four".