134587439 has 8 divisors (see below), whose sum is σ = 153999360. Its totient is φ = 115221816.

The previous prime is 134587433. The next prime is 134587451. The reversal of 134587439 is 934785431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 134587439 - 2¹² = 134583343 is a prime.

It is a super-2 number, since 2×134587439² = 36227557473157442, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134587439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134587433) 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 7 ways as a sum of consecutive naturals, for example, 5099 + ... + 17180.

It is an arithmetic number, because the mean of its divisors is an integer number (19249920).

Almost surely, 2^134587439 is an apocalyptic number.

134587439 is a deficient number, since it is larger than the sum of its proper divisors (19411921).

134587439 is an equidigital number, since it uses as much as digits as its factorization.

134587439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23149.

The product of its digits is 362880, while the sum is 44.

The square root of 134587439 is about 11601.1826552296. The cubic root of 134587439 is about 512.4696808556.

The spelling of 134587439 in words is "one hundred thirty-four million, five hundred eighty-seven thousand, four hundred thirty-nine".