134136949 has 2 divisors, whose sum is σ = 134136950. Its totient is φ = 134136948.

The previous prime is 134136923. The next prime is 134136971. The reversal of 134136949 is 949631431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133402500 + 734449 = 11550^2 + 857^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134136949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134136649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67068474 + 67068475.

It is an arithmetic number, because the mean of its divisors is an integer number (67068475).

Almost surely, 2^134136949 is an apocalyptic number.

It is an amenable number.

134136949 is a deficient number, since it is larger than the sum of its proper divisors (1).

134136949 is an equidigital number, since it uses as much as digits as its factorization.

134136949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 40.

The square root of 134136949 is about 11581.7506880437. The cubic root of 134136949 is about 511.8972635764.

The spelling of 134136949 in words is "one hundred thirty-four million, one hundred thirty-six thousand, nine hundred forty-nine".