340802141 has 2 divisors, whose sum is σ = 340802142. Its totient is φ = 340802140.

The previous prime is 340802101. The next prime is 340802149. The reversal of 340802141 is 141208043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 337456900 + 3345241 = 18370^2 + 1829^2 .

It is an emirp because it is prime and its reverse (141208043) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340802141 is a prime.

It is a super-2 number, since 2×340802141² = 232292198620367762, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340802149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170401070 + 170401071.

It is an arithmetic number, because the mean of its divisors is an integer number (170401071).

Almost surely, 2^340802141 is an apocalyptic number.

It is an amenable number.

340802141 is a deficient number, since it is larger than the sum of its proper divisors (1).

340802141 is an equidigital number, since it uses as much as digits as its factorization.

340802141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 340802141 is about 18460.8272024847. The cubic root of 340802141 is about 698.5016529057.

The spelling of 340802141 in words is "three hundred forty million, eight hundred two thousand, one hundred forty-one".