133713458 has 4 divisors (see below), whose sum is σ = 200570190. Its totient is φ = 66856728.

The previous prime is 133713457. The next prime is 133713491. The reversal of 133713458 is 854317331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 854317331 = 7 ⋅122045333.

It can be written as a sum of positive squares in only one way, i.e., 117657409 + 16056049 = 10847^2 + 4007^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (133713457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33428363 + ... + 33428366.

Almost surely, 2^133713458 is an apocalyptic number.

133713458 is a deficient number, since it is larger than the sum of its proper divisors (66856732).

133713458 is an equidigital number, since it uses as much as digits as its factorization.

133713458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66856731.

The product of its digits is 30240, while the sum is 35.

The square root of 133713458 is about 11563.4535498700. The cubic root of 133713458 is about 511.3579828222.

The spelling of 133713458 in words is "one hundred thirty-three million, seven hundred thirteen thousand, four hundred fifty-eight".