133460923 has 4 divisors (see below), whose sum is σ = 133717608. Its totient is φ = 133204240.

The previous prime is 133460869. The next prime is 133460953. The reversal of 133460923 is 329064331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 329064331 = 653 ⋅503927.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133460923 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133460953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127561 + ... + 128602.

It is an arithmetic number, because the mean of its divisors is an integer number (33429402).

Almost surely, 2^133460923 is an apocalyptic number.

133460923 is a deficient number, since it is larger than the sum of its proper divisors (256685).

133460923 is an equidigital number, since it uses as much as digits as its factorization.

133460923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256684.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 133460923 is about 11552.5288573541. The cubic root of 133460923 is about 511.0358582532.

The spelling of 133460923 in words is "one hundred thirty-three million, four hundred sixty thousand, nine hundred twenty-three".