136965 has 16 divisors (see below), whose sum is σ = 229248. Its totient is φ = 69696.

The previous prime is 136963. The next prime is 136973. The reversal of 136965 is 569631.

It is a happy number.

It is not a de Polignac number, because 136965 - 2¹ = 136963 is a prime.

It is a super-2 number, since 2×136965² = 37518822450, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 136965.

It is not an unprimeable number, because it can be changed into a prime (136963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147 + ... + 543.

It is an arithmetic number, because the mean of its divisors is an integer number (14328).

2¹³⁶⁹⁶⁵ is an apocalyptic number.

136965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136965 is a deficient number, since it is larger than the sum of its proper divisors (92283).

136965 is a wasteful number, since it uses less digits than its factorization.

136965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428.

The product of its digits is 4860, while the sum is 30.

The square root of 136965 is about 370.0878274140. The cubic root of 136965 is about 51.5469769617.

The spelling of 136965 in words is "one hundred thirty-six thousand, nine hundred sixty-five".