135665132 has 24 divisors (see below), whose sum is σ = 256284000. Its totient is φ = 62644736.

The previous prime is 135665099. The next prime is 135665137. The reversal of 135665132 is 231566531.

It is not an unprimeable number, because it can be changed into a prime (135665137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22757 + ... + 28092.

It is an arithmetic number, because the mean of its divisors is an integer number (10678500).

Almost surely, 2^135665132 is an apocalyptic number.

It is an amenable number.

135665132 is a deficient number, since it is larger than the sum of its proper divisors (120618868).

135665132 is a wasteful number, since it uses less digits than its factorization.

135665132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50905 (or 50903 counting only the distinct ones).

The product of its digits is 16200, while the sum is 32.

The square root of 135665132 is about 11647.5375938436. The cubic root of 135665132 is about 513.8338928401.

The spelling of 135665132 in words is "one hundred thirty-five million, six hundred sixty-five thousand, one hundred thirty-two".