135047369 has 2 divisors, whose sum is σ = 135047370. Its totient is φ = 135047368.

The previous prime is 135047347. The next prime is 135047387. The reversal of 135047369 is 963740531.

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., 134281744 + 765625 = 11588^2 + 875^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135047369 is a prime.

It is a super-2 number, since 2×135047369² = 36475583747644322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (135047069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67523684 + 67523685.

It is an arithmetic number, because the mean of its divisors is an integer number (67523685).

Almost surely, 2^135047369 is an apocalyptic number.

It is an amenable number.

135047369 is a deficient number, since it is larger than the sum of its proper divisors (1).

135047369 is an equidigital number, since it uses as much as digits as its factorization.

135047369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 135047369 is about 11620.9882970426. The cubic root of 135047369 is about 513.0527768761.

The spelling of 135047369 in words is "one hundred thirty-five million, forty-seven thousand, three hundred sixty-nine".