133349493 has 16 divisors (see below), whose sum is σ = 182476800. Its totient is φ = 86573424.

The previous prime is 133349471. The next prime is 133349509. The reversal of 133349493 is 394943331.

It is not a de Polignac number, because 133349493 - 2⁹ = 133348981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133344493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48058 + ... + 50756.

It is an arithmetic number, because the mean of its divisors is an integer number (11404800).

Almost surely, 2^133349493 is an apocalyptic number.

It is an amenable number.

133349493 is a deficient number, since it is larger than the sum of its proper divisors (49127307).

133349493 is a wasteful number, since it uses less digits than its factorization.

133349493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3128.

The product of its digits is 104976, while the sum is 39.

The square root of 133349493 is about 11547.7050966848. The cubic root of 133349493 is about 510.8935929370.

The spelling of 133349493 in words is "one hundred thirty-three million, three hundred forty-nine thousand, four hundred ninety-three".