134028723 has 4 divisors (see below), whose sum is σ = 178704968. Its totient is φ = 89352480.

The previous prime is 134028673. The next prime is 134028733. The reversal of 134028723 is 327820431.

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

It is not a de Polignac number, because 134028723 - 2⁹ = 134028211 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a zygodrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (134028733) 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, 22338118 + ... + 22338123.

It is an arithmetic number, because the mean of its divisors is an integer number (44676242).

Almost surely, 2^134028723 is an apocalyptic number.

134028723 is a deficient number, since it is larger than the sum of its proper divisors (44676245).

134028723 is an equidigital number, since it uses as much as digits as its factorization.

134028723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44676244.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 134028723 is about 11577.0774809535. The cubic root of 134028723 is about 511.7595548144.

The spelling of 134028723 in words is "one hundred thirty-four million, twenty-eight thousand, seven hundred twenty-three".