133930 has 16 divisors (see below), whose sum is σ = 246240. Its totient is φ = 52432.

The previous prime is 133919. The next prime is 133949. The reversal of 133930 is 39331.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 133898 and 133907.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477 + ... + 703.

It is an arithmetic number, because the mean of its divisors is an integer number (15390).

2¹³³⁹³⁰ is an apocalyptic number.

133930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133930 is a deficient number, since it is larger than the sum of its proper divisors (112310).

133930 is a wasteful number, since it uses less digits than its factorization.

133930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293.

The product of its (nonzero) digits is 243, while the sum is 19.

The square root of 133930 is about 365.9644791506. The cubic root of 133930 is about 51.1633873177.

It can be divided in two parts, 1339 and 30, that added together give a square (1369 = 37²).

The spelling of 133930 in words is "one hundred thirty-three thousand, nine hundred thirty".