347136149 has 2 divisors, whose sum is σ = 347136150. Its totient is φ = 347136148.

The previous prime is 347136143. The next prime is 347136151. The reversal of 347136149 is 941631743.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 343360900 + 3775249 = 18530^2 + 1943^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-347136149 is a prime.

Together with 347136151, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (347136143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173568074 + 173568075.

It is an arithmetic number, because the mean of its divisors is an integer number (173568075).

Almost surely, 2^347136149 is an apocalyptic number.

It is an amenable number.

347136149 is a deficient number, since it is larger than the sum of its proper divisors (1).

347136149 is an equidigital number, since it uses as much as digits as its factorization.

347136149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 38.

The square root of 347136149 is about 18631.5900824379. The cubic root of 347136149 is about 702.8024720447.

The spelling of 347136149 in words is "three hundred forty-seven million, one hundred thirty-six thousand, one hundred forty-nine".