340145253321 has 8 divisors (see below), whose sum is σ = 480205063584. Its totient is φ = 213424472640.

The previous prime is 340145253319. The next prime is 340145253323. The reversal of 340145253321 is 123352541043.

It is an interprime number because it is at equal distance from previous prime (340145253319) and next prime (340145253323).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 340145253321 - 2¹ = 340145253319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (340145253323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3334757335 + ... + 3334757436.

It is an arithmetic number, because the mean of its divisors is an integer number (60025632948).

Almost surely, 2^340145253321 is an apocalyptic number.

It is an amenable number.

340145253321 is a deficient number, since it is larger than the sum of its proper divisors (140059810263).

340145253321 is a wasteful number, since it uses less digits than its factorization.

340145253321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6669514791.

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 340145253321 its reverse (123352541043), we get a palindrome (463497794364).

The spelling of 340145253321 in words is "three hundred forty billion, one hundred forty-five million, two hundred fifty-three thousand, three hundred twenty-one".