134873087 has 4 divisors (see below), whose sum is σ = 142806816. Its totient is φ = 126939360.

The previous prime is 134873083. The next prime is 134873131. The reversal of 134873087 is 780378431.

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 134873087 - 2² = 134873083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134873083) 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, 3966839 + ... + 3966872.

It is an arithmetic number, because the mean of its divisors is an integer number (35701704).

Almost surely, 2^134873087 is an apocalyptic number.

134873087 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

134873087 is a deficient number, since it is larger than the sum of its proper divisors (7933729).

134873087 is an equidigital number, since it uses as much as digits as its factorization.

134873087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7933728.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 134873087 is about 11613.4872884935. The cubic root of 134873087 is about 512.8319793964.

The spelling of 134873087 in words is "one hundred thirty-four million, eight hundred seventy-three thousand, eighty-seven".