340133403 has 4 divisors (see below), whose sum is σ = 453511208. Its totient is φ = 226755600.

The previous prime is 340133371. The next prime is 340133441. The reversal of 340133403 is 304331043.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 340133403 - 2⁵ = 340133371 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 340133403.

It is not an unprimeable number, because it can be changed into a prime (340133803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56688898 + ... + 56688903.

It is an arithmetic number, because the mean of its divisors is an integer number (113377802).

Almost surely, 2^340133403 is an apocalyptic number.

340133403 is a deficient number, since it is larger than the sum of its proper divisors (113377805).

340133403 is a wasteful number, since it uses less digits than its factorization.

340133403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113377804.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 340133403 is about 18442.7059565564. The cubic root of 340133403 is about 698.0444761385.

Adding to 340133403 its reverse (304331043), we get a palindrome (644464446).

The spelling of 340133403 in words is "three hundred forty million, one hundred thirty-three thousand, four hundred three".