135487805 has 8 divisors (see below), whose sum is σ = 163186944. Its totient is φ = 107989200.

The previous prime is 135487799. The next prime is 135487813. The reversal of 135487805 is 508784531.

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

It is not a de Polignac number, because 135487805 - 2¹⁰ = 135486781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48641 + ... + 51350.

It is an arithmetic number, because the mean of its divisors is an integer number (20398368).

Almost surely, 2^135487805 is an apocalyptic number.

It is an amenable number.

135487805 is a deficient number, since it is larger than the sum of its proper divisors (27699139).

135487805 is an equidigital number, since it uses as much as digits as its factorization.

135487805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100267.

The product of its (nonzero) digits is 134400, while the sum is 41.

The square root of 135487805 is about 11639.9228949336. The cubic root of 135487805 is about 513.6099189284.

The spelling of 135487805 in words is "one hundred thirty-five million, four hundred eighty-seven thousand, eight hundred five".