340132237 has 2 divisors, whose sum is σ = 340132238. Its totient is φ = 340132236.

The previous prime is 340132223. The next prime is 340132241. The reversal of 340132237 is 732231043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 242300356 + 97831881 = 15566^2 + 9891^2 .

It is an emirp because it is prime and its reverse (732231043) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340132237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340133237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170066118 + 170066119.

It is an arithmetic number, because the mean of its divisors is an integer number (170066119).

Almost surely, 2^340132237 is an apocalyptic number.

It is an amenable number.

340132237 is a deficient number, since it is larger than the sum of its proper divisors (1).

340132237 is an equidigital number, since it uses as much as digits as its factorization.

340132237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 340132237 is about 18442.6743451160. The cubic root of 340132237 is about 698.0436784899.

The spelling of 340132237 in words is "three hundred forty million, one hundred thirty-two thousand, two hundred thirty-seven".