133337738 has 8 divisors (see below), whose sum is σ = 201841860. Its totient is φ = 66057120.

The previous prime is 133337719. The next prime is 133337741. The reversal of 133337738 is 837733331.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 126405049 + 6932689 = 11243^2 + 2633^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 305603 + ... + 306038.

Almost surely, 2^133337738 is an apocalyptic number.

133337738 is a deficient number, since it is larger than the sum of its proper divisors (68504122).

133337738 is a wasteful number, since it uses less digits than its factorization.

133337738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611752.

The product of its digits is 95256, while the sum is 38.

The square root of 133337738 is about 11547.1961098788. The cubic root of 133337738 is about 510.8785804298.

The spelling of 133337738 in words is "one hundred thirty-three million, three hundred thirty-seven thousand, seven hundred thirty-eight".