134149949 has 2 divisors, whose sum is σ = 134149950. Its totient is φ = 134149948.

The previous prime is 134149921. The next prime is 134149957. The reversal of 134149949 is 949941431.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134142724 + 7225 = 11582^2 + 85^2 .

It is a cyclic number.

It is not a de Polignac number, because 134149949 - 2¹⁶ = 134084413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134149049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67074974 + 67074975.

It is an arithmetic number, because the mean of its divisors is an integer number (67074975).

Almost surely, 2^134149949 is an apocalyptic number.

It is an amenable number.

134149949 is a deficient number, since it is larger than the sum of its proper divisors (1).

134149949 is an equidigital number, since it uses as much as digits as its factorization.

134149949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 44.

The square root of 134149949 is about 11582.3119022067. The cubic root of 134149949 is about 511.9138000329.

The spelling of 134149949 in words is "one hundred thirty-four million, one hundred forty-nine thousand, nine hundred forty-nine".