133955349 has 12 divisors (see below), whose sum is σ = 196320768. Its totient is φ = 81184840.

The previous prime is 133955347. The next prime is 133955357. The reversal of 133955349 is 943559331.

It is not a de Polignac number, because 133955349 - 2¹ = 133955347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133955349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133955347) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 184149 + ... + 184874.

It is an arithmetic number, because the mean of its divisors is an integer number (16360064).

Almost surely, 2^133955349 is an apocalyptic number.

It is an amenable number.

133955349 is a deficient number, since it is larger than the sum of its proper divisors (62365419).

133955349 is a wasteful number, since it uses less digits than its factorization.

133955349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369048 (or 369037 counting only the distinct ones).

The product of its digits is 218700, while the sum is 42.

The square root of 133955349 is about 11573.9081126472. The cubic root of 133955349 is about 511.6661502091. Note that the first 3 decimals are identical.

The spelling of 133955349 in words is "one hundred thirty-three million, nine hundred fifty-five thousand, three hundred forty-nine".