135323977 has 2 divisors, whose sum is σ = 135323978. Its totient is φ = 135323976.

The previous prime is 135323963. The next prime is 135323983. The reversal of 135323977 is 779323531.

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., 134003776 + 1320201 = 11576^2 + 1149^2 .

It is a cyclic number.

It is not a de Polignac number, because 135323977 - 2⁷ = 135323849 is a prime.

It is not a weakly prime, because it can be changed into another prime (135323477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67661988 + 67661989.

It is an arithmetic number, because the mean of its divisors is an integer number (67661989).

Almost surely, 2^135323977 is an apocalyptic number.

It is an amenable number.

135323977 is a deficient number, since it is larger than the sum of its proper divisors (1).

135323977 is an equidigital number, since it uses as much as digits as its factorization.

135323977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 119070, while the sum is 40.

The square root of 135323977 is about 11632.8834344714. The cubic root of 135323977 is about 513.4028212655.

The spelling of 135323977 in words is "one hundred thirty-five million, three hundred twenty-three thousand, nine hundred seventy-seven".