135545838 has 32 divisors (see below), whose sum is σ = 279659520. Its totient is φ = 43773600.

The previous prime is 135545827. The next prime is 135545849. The reversal of 135545838 is 838545531.

It is an interprime number because it is at equal distance from previous prime (135545827) and next prime (135545849).

It is a self number, because there is not a number n which added to its sum of digits gives 135545838.

It is a congruent number.

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, 26103 + ... + 30861.

It is an arithmetic number, because the mean of its divisors is an integer number (8739360).

Almost surely, 2^135545838 is an apocalyptic number.

135545838 is an abundant number, since it is smaller than the sum of its proper divisors (144113682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135545838 is a wasteful number, since it uses less digits than its factorization.

135545838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4912.

The product of its digits is 288000, while the sum is 42.

The square root of 135545838 is about 11642.4154710266. The cubic root of 135545838 is about 513.6832393522.

The spelling of 135545838 in words is "one hundred thirty-five million, five hundred forty-five thousand, eight hundred thirty-eight".