340990133 has 4 divisors (see below), whose sum is σ = 371989248. Its totient is φ = 309991020.

The previous prime is 340990121. The next prime is 340990147. The reversal of 340990133 is 331099043.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 340990133 - 2⁸ = 340989877 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 340990133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340990103) by changing a digit.

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, 15499541 + ... + 15499562.

It is an arithmetic number, because the mean of its divisors is an integer number (92997312).

Almost surely, 2^340990133 is an apocalyptic number.

It is an amenable number.

340990133 is a deficient number, since it is larger than the sum of its proper divisors (30999115).

340990133 is a wasteful number, since it uses less digits than its factorization.

340990133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30999114.

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 340990133 is about 18465.9181466831. The cubic root of 340990133 is about 698.6300642522.

The spelling of 340990133 in words is "three hundred forty million, nine hundred ninety thousand, one hundred thirty-three".