135132149 has 2 divisors, whose sum is σ = 135132150. Its totient is φ = 135132148.

The previous prime is 135132121. The next prime is 135132157. The reversal of 135132149 is 941231531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101143249 + 33988900 = 10057^2 + 5830^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135132149 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135132449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67566074 + 67566075.

It is an arithmetic number, because the mean of its divisors is an integer number (67566075).

Almost surely, 2^135132149 is an apocalyptic number.

It is an amenable number.

135132149 is a deficient number, since it is larger than the sum of its proper divisors (1).

135132149 is an equidigital number, since it uses as much as digits as its factorization.

135132149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 29.

The square root of 135132149 is about 11624.6354351438. The cubic root of 135132149 is about 513.1601157943.

The spelling of 135132149 in words is "one hundred thirty-five million, one hundred thirty-two thousand, one hundred forty-nine".