135411965 has 8 divisors (see below), whose sum is σ = 174994008. Its totient is φ = 99996480.

The previous prime is 135411961. The next prime is 135411967. The reversal of 135411965 is 569114531.

It can be written as a sum of positive squares in 4 ways, for example, as 8421604 + 126990361 = 2902^2 + 11269^2 .

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

It is not a de Polignac number, because 135411965 - 2² = 135411961 is a prime.

It is a super-2 number, since 2×135411965² = 36672800530322450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135411961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1041566 + ... + 1041695.

It is an arithmetic number, because the mean of its divisors is an integer number (21874251).

Almost surely, 2^135411965 is an apocalyptic number.

It is an amenable number.

135411965 is a deficient number, since it is larger than the sum of its proper divisors (39582043).

135411965 is a wasteful number, since it uses less digits than its factorization.

135411965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2083279.

The product of its digits is 16200, while the sum is 35.

The square root of 135411965 is about 11636.6646853813. The cubic root of 135411965 is about 513.5140691054.

The spelling of 135411965 in words is "one hundred thirty-five million, four hundred eleven thousand, nine hundred sixty-five".