136773769 has 8 divisors (see below), whose sum is σ = 149412960. Its totient is φ = 124168800.

The previous prime is 136773743. The next prime is 136773779. The reversal of 136773769 is 967377631.

It is a happy number.

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 136773769 - 2¹⁹ = 136249481 is a prime.

It is a super-2 number, since 2×136773769² = 37414127772930722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136773739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202 + ... + 16540.

It is an arithmetic number, because the mean of its divisors is an integer number (18676620).

Almost surely, 2^136773769 is an apocalyptic number.

It is an amenable number.

136773769 is a deficient number, since it is larger than the sum of its proper divisors (12639191).

136773769 is a wasteful number, since it uses less digits than its factorization.

136773769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17111.

The product of its digits is 1000188, while the sum is 49.

The square root of 136773769 is about 11695.0318084219. The cubic root of 136773769 is about 515.2297576643.

The spelling of 136773769 in words is "one hundred thirty-six million, seven hundred seventy-three thousand, seven hundred sixty-nine".