133736738 has 16 divisors (see below), whose sum is σ = 204422400. Its totient is φ = 65607216.

The previous prime is 133736731. The next prime is 133736741. The reversal of 133736738 is 837637331.

It is a junction number, because it is equal to n+sod(n) for n = 133736695 and 133736704.

It is not an unprimeable number, because it can be changed into a prime (133736731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22031 + ... + 27437.

It is an arithmetic number, because the mean of its divisors is an integer number (12776400).

Almost surely, 2^133736738 is an apocalyptic number.

133736738 is a deficient number, since it is larger than the sum of its proper divisors (70685662).

133736738 is a wasteful number, since it uses less digits than its factorization.

133736738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5641.

The product of its digits is 190512, while the sum is 41.

The square root of 133736738 is about 11564.4601257473. The cubic root of 133736738 is about 511.3876575292.

The spelling of 133736738 in words is "one hundred thirty-three million, seven hundred thirty-six thousand, seven hundred thirty-eight".