133748434 has 8 divisors (see below), whose sum is σ = 200808828. Its totient is φ = 66812160.

The previous prime is 133748431. The next prime is 133748443. The reversal of 133748434 is 434847331.

It can be written as a sum of positive squares in 2 ways, for example, as 106028209 + 27720225 = 10297^2 + 5265^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 133748393 and 133748402.

It is not an unprimeable number, because it can be changed into a prime (133748431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28287 + ... + 32674.

Almost surely, 2^133748434 is an apocalyptic number.

133748434 is a deficient number, since it is larger than the sum of its proper divisors (67060394).

133748434 is a wasteful number, since it uses less digits than its factorization.

133748434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62060.

The product of its digits is 96768, while the sum is 37.

The square root of 133748434 is about 11564.9658019382. The cubic root of 133748434 is about 511.4025649654.

The spelling of 133748434 in words is "one hundred thirty-three million, seven hundred forty-eight thousand, four hundred thirty-four".