133949417 has 8 divisors (see below), whose sum is σ = 154061376. Its totient is φ = 114081552.

The previous prime is 133949407. The next prime is 133949437. The reversal of 133949417 is 714949331.

It is a happy number.

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 133949417 - 2⁶ = 133949353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133949407) 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, 59843 + ... + 62040.

It is an arithmetic number, because the mean of its divisors is an integer number (19257672).

Almost surely, 2^133949417 is an apocalyptic number.

It is an amenable number.

133949417 is a deficient number, since it is larger than the sum of its proper divisors (20111959).

133949417 is a wasteful number, since it uses less digits than its factorization.

133949417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122047.

The product of its digits is 81648, while the sum is 41.

The square root of 133949417 is about 11573.6518437354. The cubic root of 133949417 is about 511.6585973232.

The spelling of 133949417 in words is "one hundred thirty-three million, nine hundred forty-nine thousand, four hundred seventeen".