133457327 has 4 divisors (see below), whose sum is σ = 141307776. Its totient is φ = 125606880.

The previous prime is 133457323. The next prime is 133457329. The reversal of 133457327 is 723754331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 723754331 = 127 ⋅5698853.

It is not a de Polignac number, because 133457327 - 2² = 133457323 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133457323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3925199 + ... + 3925232.

It is an arithmetic number, because the mean of its divisors is an integer number (35326944).

Almost surely, 2^133457327 is an apocalyptic number.

133457327 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

133457327 is a deficient number, since it is larger than the sum of its proper divisors (7850449).

133457327 is an equidigital number, since it uses as much as digits as its factorization.

133457327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7850448.

The product of its digits is 52920, while the sum is 35.

The square root of 133457327 is about 11552.3732193866. The cubic root of 133457327 is about 511.0312683917.

The spelling of 133457327 in words is "one hundred thirty-three million, four hundred fifty-seven thousand, three hundred twenty-seven".