135580349 has 2 divisors, whose sum is σ = 135580350. Its totient is φ = 135580348.

The previous prime is 135580337. The next prime is 135580363. The reversal of 135580349 is 943085531.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99640324 + 35940025 = 9982^2 + 5995^2 .

It is a cyclic number.

It is not a de Polignac number, because 135580349 - 2¹² = 135576253 is a prime.

It is a Chen prime.

It is equal to p_7676426 and since 135580349 and 7676426 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135180349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67790174 + 67790175.

It is an arithmetic number, because the mean of its divisors is an integer number (67790175).

Almost surely, 2^135580349 is an apocalyptic number.

It is an amenable number.

135580349 is a deficient number, since it is larger than the sum of its proper divisors (1).

135580349 is an equidigital number, since it uses as much as digits as its factorization.

135580349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 135580349 is about 11643.8975004077. The cubic root of 135580349 is about 513.7268315377.

The spelling of 135580349 in words is "one hundred thirty-five million, five hundred eighty thousand, three hundred forty-nine".