340512540239 has 4 divisors (see below), whose sum is σ = 340887968424. Its totient is φ = 340137112056.

The previous prime is 340512540229. The next prime is 340512540281. The reversal of 340512540239 is 932045215043.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340512540239 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 (340512540229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187712732 + ... + 187714545.

It is an arithmetic number, because the mean of its divisors is an integer number (85221992106).

Almost surely, 2^340512540239 is an apocalyptic number.

340512540239 is a deficient number, since it is larger than the sum of its proper divisors (375428185).

340512540239 is an equidigital number, since it uses as much as digits as its factorization.

340512540239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375428184.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 340512540239 in words is "three hundred forty billion, five hundred twelve million, five hundred forty thousand, two hundred thirty-nine".