134623851 has 4 divisors (see below), whose sum is σ = 179498472. Its totient is φ = 89749232.

The previous prime is 134623849. The next prime is 134623859. The reversal of 134623851 is 158326431.

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 134623851 - 2¹ = 134623849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134623859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22437306 + ... + 22437311.

It is an arithmetic number, because the mean of its divisors is an integer number (44874618).

Almost surely, 2^134623851 is an apocalyptic number.

134623851 is a deficient number, since it is larger than the sum of its proper divisors (44874621).

134623851 is an equidigital number, since it uses as much as digits as its factorization.

134623851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44874620.

The product of its digits is 17280, while the sum is 33.

The square root of 134623851 is about 11602.7518718621. The cubic root of 134623851 is about 512.5158921108.

The spelling of 134623851 in words is "one hundred thirty-four million, six hundred twenty-three thousand, eight hundred fifty-one".