340757149 has 2 divisors, whose sum is σ = 340757150. Its totient is φ = 340757148.

The previous prime is 340757147. The next prime is 340757201. The reversal of 340757149 is 941757043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 217769049 + 122988100 = 14757^2 + 11090^2 .

It is a cyclic number.

It is not a de Polignac number, because 340757149 - 2¹ = 340757147 is a prime.

It is a super-2 number, since 2×340757149² = 232230869189216402, which contains 22 as substring.

Together with 340757147, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340757147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170378574 + 170378575.

It is an arithmetic number, because the mean of its divisors is an integer number (170378575).

Almost surely, 2^340757149 is an apocalyptic number.

It is an amenable number.

340757149 is a deficient number, since it is larger than the sum of its proper divisors (1).

340757149 is an equidigital number, since it uses as much as digits as its factorization.

340757149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 340757149 is about 18459.6085819824. The cubic root of 340757149 is about 698.4709133009.

The spelling of 340757149 in words is "three hundred forty million, seven hundred fifty-seven thousand, one hundred forty-nine".