136907769 has 8 divisors (see below), whose sum is σ = 183637440. Its totient is φ = 90724976.

The previous prime is 136907767. The next prime is 136907791. The reversal of 136907769 is 967709631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 136907769 - 2¹ = 136907767 is a prime.

It is a super-2 number, since 2×136907769² = 37487474425114722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (136907767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136134 + ... + 137135.

It is an arithmetic number, because the mean of its divisors is an integer number (22954680).

Almost surely, 2^136907769 is an apocalyptic number.

It is an amenable number.

136907769 is a deficient number, since it is larger than the sum of its proper divisors (46729671).

136907769 is a wasteful number, since it uses less digits than its factorization.

136907769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273439.

The product of its (nonzero) digits is 428652, while the sum is 48.

The square root of 136907769 is about 11700.7593343338. The cubic root of 136907769 is about 515.3979630480.

The spelling of 136907769 in words is "one hundred thirty-six million, nine hundred seven thousand, seven hundred sixty-nine".