133273139 has 8 divisors (see below), whose sum is σ = 134991360. Its totient is φ = 131560000.

The previous prime is 133273103. The next prime is 133273157. The reversal of 133273139 is 931372331.

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

It is a cyclic number.

It is not a de Polignac number, because 133273139 - 2²⁰ = 132224563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133273159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101789 + ... + 103089.

It is an arithmetic number, because the mean of its divisors is an integer number (16873920).

Almost surely, 2^133273139 is an apocalyptic number.

133273139 is a deficient number, since it is larger than the sum of its proper divisors (1718221).

133273139 is a wasteful number, since it uses less digits than its factorization.

133273139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2541.

The product of its digits is 10206, while the sum is 32.

The square root of 133273139 is about 11544.3985984546. The cubic root of 133273139 is about 510.7960642146.

The spelling of 133273139 in words is "one hundred thirty-three million, two hundred seventy-three thousand, one hundred thirty-nine".