133139234 has 8 divisors (see below), whose sum is σ = 206151168. Its totient is φ = 64422180.

The previous prime is 133139207. The next prime is 133139263. The reversal of 133139234 is 432931331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 133139197 and 133139206.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1073642 + ... + 1073765.

It is an arithmetic number, because the mean of its divisors is an integer number (25768896).

Almost surely, 2^133139234 is an apocalyptic number.

133139234 is a deficient number, since it is larger than the sum of its proper divisors (73011934).

133139234 is a wasteful number, since it uses less digits than its factorization.

133139234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2147440.

The product of its digits is 5832, while the sum is 29.

The square root of 133139234 is about 11538.5975750955. The cubic root of 133139234 is about 510.6249342885.

The spelling of 133139234 in words is "one hundred thirty-three million, one hundred thirty-nine thousand, two hundred thirty-four".