135417865 has 32 divisors (see below), whose sum is σ = 181988352. Its totient is φ = 95904000.

The previous prime is 135417853. The next prime is 135417881. The reversal of 135417865 is 568714531.

It is a happy number.

It is not a de Polignac number, because 135417865 - 2¹¹ = 135415817 is a prime.

It is a super-2 number, since 2×135417865² = 36675996322316450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 607144 + ... + 607366.

It is an arithmetic number, because the mean of its divisors is an integer number (5687136).

Almost surely, 2^135417865 is an apocalyptic number.

It is an amenable number.

135417865 is a deficient number, since it is larger than the sum of its proper divisors (46570487).

135417865 is a wasteful number, since it uses less digits than its factorization.

135417865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481.

The product of its digits is 100800, while the sum is 40.

The square root of 135417865 is about 11636.9181916863. The cubic root of 135417865 is about 513.5215270603.

The spelling of 135417865 in words is "one hundred thirty-five million, four hundred seventeen thousand, eight hundred sixty-five".