133436937 has 16 divisors (see below), whose sum is σ = 181359360. Its totient is φ = 87243600.

The previous prime is 133436921. The next prime is 133436959. The reversal of 133436937 is 739634331.

It is a happy number.

It is not a de Polignac number, because 133436937 - 2⁴ = 133436921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133436895 and 133436904.

It is not an unprimeable number, because it can be changed into a prime (133436977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121762 + ... + 122852.

It is an arithmetic number, because the mean of its divisors is an integer number (11334960).

Almost surely, 2^133436937 is an apocalyptic number.

It is an amenable number.

133436937 is a deficient number, since it is larger than the sum of its proper divisors (47922423).

133436937 is a wasteful number, since it uses less digits than its factorization.

133436937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1844.

The product of its digits is 122472, while the sum is 39.

The square root of 133436937 is about 11551.4906830244. The cubic root of 133436937 is about 511.0052414499.

The spelling of 133436937 in words is "one hundred thirty-three million, four hundred thirty-six thousand, nine hundred thirty-seven".