133043738 has 16 divisors (see below), whose sum is σ = 210294240. Its totient is φ = 62953200.

The previous prime is 133043737. The next prime is 133043759. The reversal of 133043738 is 837340331.

It is not an unprimeable number, because it can be changed into a prime (133043737) 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, 65153 + ... + 67163.

It is an arithmetic number, because the mean of its divisors is an integer number (13143390).

Almost surely, 2^133043738 is an apocalyptic number.

133043738 is a deficient number, since it is larger than the sum of its proper divisors (77250502).

133043738 is a wasteful number, since it uses less digits than its factorization.

133043738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3773.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 133043738 is about 11534.4587215872. The cubic root of 133043738 is about 510.5028207676.

The spelling of 133043738 in words is "one hundred thirty-three million, forty-three thousand, seven hundred thirty-eight".