135366669 has 6 divisors (see below), whose sum is σ = 195529646. Its totient is φ = 90244440.

The previous prime is 135366653. The next prime is 135366689. The reversal of 135366669 is 966663531.

It can be written as a sum of positive squares in only one way, i.e., 108430569 + 26936100 = 10413^2 + 5190^2 .

It is not a de Polignac number, because 135366669 - 2⁴ = 135366653 is a prime.

It is a super-2 number, since 2×135366669² = 36648270152311122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135366629) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7520362 + ... + 7520379.

Almost surely, 2^135366669 is an apocalyptic number.

It is an amenable number.

135366669 is a deficient number, since it is larger than the sum of its proper divisors (60162977).

135366669 is a wasteful number, since it uses less digits than its factorization.

135366669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15040747 (or 15040744 counting only the distinct ones).

The product of its digits is 524880, while the sum is 45.

The square root of 135366669 is about 11634.7182604479. The cubic root of 135366669 is about 513.4568050192.

The spelling of 135366669 in words is "one hundred thirty-five million, three hundred sixty-six thousand, six hundred sixty-nine".