340133240 has 32 divisors (see below), whose sum is σ = 789989760. Its totient is φ = 131664000.

The previous prime is 340133237. The next prime is 340133243. The reversal of 340133240 is 42331043.

It is an interprime number because it is at equal distance from previous prime (340133237) and next prime (340133243).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340133243) 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 7 ways as a sum of consecutive naturals, for example, 135911 + ... + 138390.

It is an arithmetic number, because the mean of its divisors is an integer number (24687180).

Almost surely, 2^340133240 is an apocalyptic number.

It is an amenable number.

340133240 is an abundant number, since it is smaller than the sum of its proper divisors (449856520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

340133240 is a wasteful number, since it uses less digits than its factorization.

340133240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274343 (or 274339 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 340133240 is about 18442.7015374646. The cubic root of 340133240 is about 698.0443646320.

Adding to 340133240 its reverse (42331043), we get a palindrome (382464283).

The spelling of 340133240 in words is "three hundred forty million, one hundred thirty-three thousand, two hundred forty".