135432506 has 32 divisors (see below), whose sum is σ = 241019712. Its totient is φ = 56367360.

The previous prime is 135432503. The next prime is 135432509. The reversal of 135432506 is 605234531.

It is an interprime number because it is at equal distance from previous prime (135432503) and next prime (135432509).

It is not an unprimeable number, because it can be changed into a prime (135432503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8945 + ... + 18731.

It is an arithmetic number, because the mean of its divisors is an integer number (7531866).

Almost surely, 2^135432506 is an apocalyptic number.

135432506 is a deficient number, since it is larger than the sum of its proper divisors (105587206).

135432506 is a wasteful number, since it uses less digits than its factorization.

135432506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9854.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 135432506 is about 11637.5472501726. The cubic root of 135432506 is about 513.5400332294.

The spelling of 135432506 in words is "one hundred thirty-five million, four hundred thirty-two thousand, five hundred six".