133844134 has 4 divisors (see below), whose sum is σ = 200766204. Its totient is φ = 66922066.

The previous prime is 133844099. The next prime is 133844171. The reversal of 133844134 is 431448331.

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

It is a junction number, because it is equal to n+sod(n) for n = 133844096 and 133844105.

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, 33461032 + ... + 33461035.

It is an arithmetic number, because the mean of its divisors is an integer number (50191551).

Almost surely, 2^133844134 is an apocalyptic number.

133844134 is a deficient number, since it is larger than the sum of its proper divisors (66922070).

133844134 is an equidigital number, since it uses as much as digits as its factorization.

133844134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66922069.

The product of its digits is 13824, while the sum is 31.

The square root of 133844134 is about 11569.1025581071. The cubic root of 133844134 is about 511.5245092150.

The spelling of 133844134 in words is "one hundred thirty-three million, eight hundred forty-four thousand, one hundred thirty-four".