135530377 has 2 divisors, whose sum is σ = 135530378. Its totient is φ = 135530376.

The previous prime is 135530333. The next prime is 135530389. The reversal of 135530377 is 773035531.

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., 106110601 + 29419776 = 10301^2 + 5424^2 .

It is a cyclic number.

It is not a de Polignac number, because 135530377 - 2¹⁹ = 135006089 is a prime.

It is not a weakly prime, because it can be changed into another prime (135530077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67765188 + 67765189.

It is an arithmetic number, because the mean of its divisors is an integer number (67765189).

Almost surely, 2^135530377 is an apocalyptic number.

It is an amenable number.

135530377 is a deficient number, since it is larger than the sum of its proper divisors (1).

135530377 is an equidigital number, since it uses as much as digits as its factorization.

135530377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33075, while the sum is 34.

The square root of 135530377 is about 11641.7514575772. The cubic root of 135530377 is about 513.6637075621.

The spelling of 135530377 in words is "one hundred thirty-five million, five hundred thirty thousand, three hundred seventy-seven".