133132723 has 4 divisors (see below), whose sum is σ = 133162488. Its totient is φ = 133102960.

The previous prime is 133132711. The next prime is 133132777. The reversal of 133132723 is 327231331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133132723 - 2⁵ = 133132691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133132793) 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, 6658 + ... + 17623.

It is an arithmetic number, because the mean of its divisors is an integer number (33290622).

Almost surely, 2^133132723 is an apocalyptic number.

133132723 is a deficient number, since it is larger than the sum of its proper divisors (29765).

133132723 is an equidigital number, since it uses as much as digits as its factorization.

133132723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29764.

The product of its digits is 2268, while the sum is 25.

The square root of 133132723 is about 11538.3154316391. The cubic root of 133132723 is about 510.6166103381.

The spelling of 133132723 in words is "one hundred thirty-three million, one hundred thirty-two thousand, seven hundred twenty-three".