340046137 has 2 divisors, whose sum is σ = 340046138. Its totient is φ = 340046136.

The previous prime is 340046071. The next prime is 340046221. The reversal of 340046137 is 731640043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 189640441 + 150405696 = 13771^2 + 12264^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340046137 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (340046737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170023068 + 170023069.

It is an arithmetic number, because the mean of its divisors is an integer number (170023069).

Almost surely, 2^340046137 is an apocalyptic number.

It is an amenable number.

340046137 is a deficient number, since it is larger than the sum of its proper divisors (1).

340046137 is an equidigital number, since it uses as much as digits as its factorization.

340046137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 340046137 is about 18440.3399372137. The cubic root of 340046137 is about 697.9847733287.

The spelling of 340046137 in words is "three hundred forty million, forty-six thousand, one hundred thirty-seven".