135419028 has 24 divisors (see below), whose sum is σ = 321941088. Its totient is φ = 44287776.

The previous prime is 135419027. The next prime is 135419057. The reversal of 135419028 is 820914531.

It is a self number, because there is not a number n which added to its sum of digits gives 135419028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135419021) 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, 105826 + ... + 107097.

It is an arithmetic number, because the mean of its divisors is an integer number (13414212).

Almost surely, 2^135419028 is an apocalyptic number.

It is an amenable number.

135419028 is an abundant number, since it is smaller than the sum of its proper divisors (186522060).

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

135419028 is a wasteful number, since it uses less digits than its factorization.

135419028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212983 (or 212981 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 135419028 is about 11636.9681618538. The cubic root of 135419028 is about 513.5229971367.

The spelling of 135419028 in words is "one hundred thirty-five million, four hundred nineteen thousand, twenty-eight".