1335140069 has 2 divisors, whose sum is σ = 1335140070. Its totient is φ = 1335140068.

The previous prime is 1335140029. The next prime is 1335140083. The reversal of 1335140069 is 9600415331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1232361025 + 102779044 = 35105^2 + 10138^2 .

It is a cyclic number.

It is not a de Polignac number, because 1335140069 - 2²⁴ = 1318362853 is a prime.

It is a super-2 number, since 2×1335140069² = 3565198007698649522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1335140029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 667570034 + 667570035.

It is an arithmetic number, because the mean of its divisors is an integer number (667570035).

Almost surely, 2^1335140069 is an apocalyptic number.

It is an amenable number.

1335140069 is a deficient number, since it is larger than the sum of its proper divisors (1).

1335140069 is an equidigital number, since it uses as much as digits as its factorization.

1335140069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 1335140069 is about 36539.5685387772. The cubic root of 1335140069 is about 1101.1393343933.

The spelling of 1335140069 in words is "one billion, three hundred thirty-five million, one hundred forty thousand, sixty-nine".