134523087 has 4 divisors (see below), whose sum is σ = 179364120. Its totient is φ = 89682056.

The previous prime is 134523079. The next prime is 134523089. The reversal of 134523087 is 780325431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 780325431 = 3 ⋅260108477.

It is a cyclic number.

It is not a de Polignac number, because 134523087 - 2³ = 134523079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134523089) 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, 22420512 + ... + 22420517.

It is an arithmetic number, because the mean of its divisors is an integer number (44841030).

Almost surely, 2^134523087 is an apocalyptic number.

134523087 is a deficient number, since it is larger than the sum of its proper divisors (44841033).

134523087 is an equidigital number, since it uses as much as digits as its factorization.

134523087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44841032.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 134523087 is about 11598.4088132812. The cubic root of 134523087 is about 512.3879899571.

The spelling of 134523087 in words is "one hundred thirty-four million, five hundred twenty-three thousand, eighty-seven".