340253141 has 4 divisors (see below), whose sum is σ = 344076300. Its totient is φ = 336429984.

The previous prime is 340253131. The next prime is 340253149. The reversal of 340253141 is 141352043.

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

It can be written as a sum of positive squares in 2 ways, for example, as 94672900 + 245580241 = 9730^2 + 15671^2 .

It is a cyclic number.

It is not a de Polignac number, because 340253141 - 2⁶ = 340253077 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340253149) 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, 1911446 + ... + 1911623.

It is an arithmetic number, because the mean of its divisors is an integer number (86019075).

Almost surely, 2^340253141 is an apocalyptic number.

It is an amenable number.

340253141 is a deficient number, since it is larger than the sum of its proper divisors (3823159).

340253141 is an equidigital number, since it uses as much as digits as its factorization.

340253141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3823158.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 340253141 is about 18445.9518865251. The cubic root of 340253141 is about 698.1263779675.

The spelling of 340253141 in words is "three hundred forty million, two hundred fifty-three thousand, one hundred forty-one".