136933459 has 4 divisors (see below), whose sum is σ = 147466816. Its totient is φ = 126400104.

The previous prime is 136933451. The next prime is 136933463. The reversal of 136933459 is 954339631.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 136933459 - 2³ = 136933451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136933451) 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 3 ways as a sum of consecutive naturals, for example, 5266659 + ... + 5266684.

It is an arithmetic number, because the mean of its divisors is an integer number (36866704).

Almost surely, 2^136933459 is an apocalyptic number.

136933459 is a deficient number, since it is larger than the sum of its proper divisors (10533357).

136933459 is a wasteful number, since it uses less digits than its factorization.

136933459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10533356.

The product of its digits is 262440, while the sum is 43.

The square root of 136933459 is about 11701.8570748407. The cubic root of 136933459 is about 515.4301982423.

The spelling of 136933459 in words is "one hundred thirty-six million, nine hundred thirty-three thousand, four hundred fifty-nine".