207834149 has 2 divisors, whose sum is σ = 207834150. Its totient is φ = 207834148.

The previous prime is 207834131. The next prime is 207834169. The reversal of 207834149 is 941438702.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127283524 + 80550625 = 11282^2 + 8975^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-207834149 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (207834119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103917074 + 103917075.

It is an arithmetic number, because the mean of its divisors is an integer number (103917075).

Almost surely, 2^207834149 is an apocalyptic number.

It is an amenable number.

207834149 is a deficient number, since it is larger than the sum of its proper divisors (1).

207834149 is an equidigital number, since it uses as much as digits as its factorization.

207834149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 207834149 is about 14416.4541063328. The cubic root of 207834149 is about 592.3416933023.

The spelling of 207834149 in words is "two hundred seven million, eight hundred thirty-four thousand, one hundred forty-nine".