135148665 has 16 divisors (see below), whose sum is σ = 217267776. Its totient is φ = 71736000.

The previous prime is 135148649. The next prime is 135148681. The reversal of 135148665 is 566841531.

It is an interprime number because it is at equal distance from previous prime (135148649) and next prime (135148681).

It is not a de Polignac number, because 135148665 - 2⁴ = 135148649 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18186 + ... + 24515.

It is an arithmetic number, because the mean of its divisors is an integer number (13579236).

Almost surely, 2^135148665 is an apocalyptic number.

135148665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135148665 is a deficient number, since it is larger than the sum of its proper divisors (82119111).

135148665 is a wasteful number, since it uses less digits than its factorization.

135148665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42920.

The product of its digits is 86400, while the sum is 39.

The square root of 135148665 is about 11625.3458013084. The cubic root of 135148665 is about 513.1810212741.

The spelling of 135148665 in words is "one hundred thirty-five million, one hundred forty-eight thousand, six hundred sixty-five".