134240587 has 12 divisors (see below), whose sum is σ = 145911024. Its totient is φ = 123445920.

The previous prime is 134240563. The next prime is 134240591. The reversal of 134240587 is 785042431.

It is not a de Polignac number, because 134240587 - 2²⁷ = 22859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134240527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48162 + ... + 50872.

It is an arithmetic number, because the mean of its divisors is an integer number (12159252).

Almost surely, 2^134240587 is an apocalyptic number.

134240587 is a deficient number, since it is larger than the sum of its proper divisors (11670437).

134240587 is a wasteful number, since it uses less digits than its factorization.

134240587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3030 (or 3017 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 134240587 is about 11586.2240182037. The cubic root of 134240587 is about 512.0290650716.

The spelling of 134240587 in words is "one hundred thirty-four million, two hundred forty thousand, five hundred eighty-seven".