136887369 has 8 divisors (see below), whose sum is σ = 182788800. Its totient is φ = 91122096.

The previous prime is 136887353. The next prime is 136887371. The reversal of 136887369 is 963788631.

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

It is not a de Polignac number, because 136887369 - 2⁴ = 136887353 is a prime.

It is a super-2 number, since 2×136887369² = 37476303583484322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (136887319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31669 + ... + 35730.

It is an arithmetic number, because the mean of its divisors is an integer number (22848600).

Almost surely, 2^136887369 is an apocalyptic number.

It is an amenable number.

136887369 is a deficient number, since it is larger than the sum of its proper divisors (45901431).

136887369 is an equidigital number, since it uses as much as digits as its factorization.

136887369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68079.

The product of its digits is 1306368, while the sum is 51.

The square root of 136887369 is about 11699.8875635623. The cubic root of 136887369 is about 515.3723627460.

The spelling of 136887369 in words is "one hundred thirty-six million, eight hundred eighty-seven thousand, three hundred sixty-nine".