133257346 has 8 divisors (see below), whose sum is σ = 199996560. Its totient is φ = 66591828.

The previous prime is 133257307. The next prime is 133257353. The reversal of 133257346 is 643752331.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13656 + ... + 21283.

It is an arithmetic number, because the mean of its divisors is an integer number (24999570).

Almost surely, 2^133257346 is an apocalyptic number.

133257346 is a deficient number, since it is larger than the sum of its proper divisors (66739214).

133257346 is a wasteful number, since it uses less digits than its factorization.

133257346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36848.

The product of its digits is 45360, while the sum is 34.

The square root of 133257346 is about 11543.7145668108. The cubic root of 133257346 is about 510.7758868030.

The spelling of 133257346 in words is "one hundred thirty-three million, two hundred fifty-seven thousand, three hundred forty-six".