340121545207 has 4 divisors (see below), whose sum is σ = 341883833200. Its totient is φ = 338359257216.

The previous prime is 340121545129. The next prime is 340121545213. The reversal of 340121545207 is 702545121043.

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

It is a cyclic number.

It is not a de Polignac number, because 340121545207 - 2²⁷ = 339987327479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340121545217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 881143707 + ... + 881144092.

It is an arithmetic number, because the mean of its divisors is an integer number (85470958300).

Almost surely, 2^340121545207 is an apocalyptic number.

340121545207 is a deficient number, since it is larger than the sum of its proper divisors (1762287993).

340121545207 is a wasteful number, since it uses less digits than its factorization.

340121545207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1762287992.

The product of its (nonzero) digits is 33600, while the sum is 34.

The spelling of 340121545207 in words is "three hundred forty billion, one hundred twenty-one million, five hundred forty-five thousand, two hundred seven".