133586836 has 6 divisors (see below), whose sum is σ = 233776970. Its totient is φ = 66793416.

The previous prime is 133586821. The next prime is 133586839. The reversal of 133586836 is 638685331.

It can be written as a sum of positive squares in only one way, i.e., 129823236 + 3763600 = 11394^2 + 1940^2 .

It is a junction number, because it is equal to n+sod(n) for n = 133586792 and 133586801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133586839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16698351 + ... + 16698358.

Almost surely, 2^133586836 is an apocalyptic number.

It is an amenable number.

133586836 is a deficient number, since it is larger than the sum of its proper divisors (100190134).

133586836 is a wasteful number, since it uses less digits than its factorization.

133586836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33396713 (or 33396711 counting only the distinct ones).

The product of its digits is 311040, while the sum is 43.

The square root of 133586836 is about 11557.9771586554. The cubic root of 133586836 is about 511.1965190957.

The spelling of 133586836 in words is "one hundred thirty-three million, five hundred eighty-six thousand, eight hundred thirty-six".