134156249 has 2 divisors, whose sum is σ = 134156250. Its totient is φ = 134156248.

The previous prime is 134156227. The next prime is 134156257. The reversal of 134156249 is 942651431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91489225 + 42667024 = 9565^2 + 6532^2 .

It is an emirp because it is prime and its reverse (942651431) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134156249 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (134150249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67078124 + 67078125.

It is an arithmetic number, because the mean of its divisors is an integer number (67078125).

Almost surely, 2^134156249 is an apocalyptic number.

It is an amenable number.

134156249 is a deficient number, since it is larger than the sum of its proper divisors (1).

134156249 is an equidigital number, since it uses as much as digits as its factorization.

134156249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 35.

The square root of 134156249 is about 11582.5838654421. The cubic root of 134156249 is about 511.9218134698.

The spelling of 134156249 in words is "one hundred thirty-four million, one hundred fifty-six thousand, two hundred forty-nine".