134105487 has 4 divisors (see below), whose sum is σ = 178807320. Its totient is φ = 89403656.

The previous prime is 134105459. The next prime is 134105539. The reversal of 134105487 is 784501431.

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 134105487 - 2⁷ = 134105359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134105087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22350912 + ... + 22350917.

It is an arithmetic number, because the mean of its divisors is an integer number (44701830).

Almost surely, 2^134105487 is an apocalyptic number.

134105487 is a deficient number, since it is larger than the sum of its proper divisors (44701833).

134105487 is an equidigital number, since it uses as much as digits as its factorization.

134105487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44701832.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 134105487 is about 11580.3923508662. The cubic root of 134105487 is about 511.8572383854.

The spelling of 134105487 in words is "one hundred thirty-four million, one hundred five thousand, four hundred eighty-seven".