135612465 has 32 divisors (see below), whose sum is σ = 221246976. Its totient is φ = 70917120.

The previous prime is 135612457. The next prime is 135612467. The reversal of 135612465 is 564216531.

It is not a de Polignac number, because 135612465 - 2³ = 135612457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135612467) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 296517 + ... + 296973.

It is an arithmetic number, because the mean of its divisors is an integer number (6913968).

Almost surely, 2^135612465 is an apocalyptic number.

135612465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135612465 is a deficient number, since it is larger than the sum of its proper divisors (85634511).

135612465 is a wasteful number, since it uses less digits than its factorization.

135612465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809.

The product of its digits is 21600, while the sum is 33.

The square root of 135612465 is about 11645.2765102423. The cubic root of 135612465 is about 513.7673918610.

Adding to 135612465 its reverse (564216531), we get a palindrome (699828996).

The spelling of 135612465 in words is "one hundred thirty-five million, six hundred twelve thousand, four hundred sixty-five".