133458049 has 4 divisors (see below), whose sum is σ = 133726000. Its totient is φ = 133190100.

The previous prime is 133458047. The next prime is 133458053. The reversal of 133458049 is 940854331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 133458049 - 2¹ = 133458047 is a prime.

It is a super-2 number, since 2×133458049² = 35622101685772802, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133457999 and 133458017.

It is not an unprimeable number, because it can be changed into a prime (133458047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133227 + ... + 134224.

It is an arithmetic number, because the mean of its divisors is an integer number (33431500).

Almost surely, 2^133458049 is an apocalyptic number.

It is an amenable number.

133458049 is a deficient number, since it is larger than the sum of its proper divisors (267951).

133458049 is an equidigital number, since it uses as much as digits as its factorization.

133458049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267950.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 133458049 is about 11552.4044683347. The cubic root of 133458049 is about 511.0321899445.

The spelling of 133458049 in words is "one hundred thirty-three million, four hundred fifty-eight thousand, forty-nine".