133436936 has 16 divisors (see below), whose sum is σ = 251013840. Its totient is φ = 66499920.

The previous prime is 133436921. The next prime is 133436959. The reversal of 133436936 is 639634331.

It is a self number, because there is not a number n which added to its sum of digits gives 133436936.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24710 + ... + 29621.

It is an arithmetic number, because the mean of its divisors is an integer number (15688365).

Almost surely, 2^133436936 is an apocalyptic number.

It is an amenable number.

133436936 is a deficient number, since it is larger than the sum of its proper divisors (117576904).

133436936 is a wasteful number, since it uses less digits than its factorization.

133436936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54644 (or 54640 counting only the distinct ones).

The product of its digits is 104976, while the sum is 38.

The square root of 133436936 is about 11551.4906397400. The cubic root of 133436936 is about 511.0052401733.

The spelling of 133436936 in words is "one hundred thirty-three million, four hundred thirty-six thousand, nine hundred thirty-six".