134865888 has 96 divisors (see below), whose sum is σ = 372468096. Its totient is φ = 42674688.

The previous prime is 134865827. The next prime is 134865893. The reversal of 134865888 is 888568431.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 134865888.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152295 + ... + 153177.

It is an arithmetic number, because the mean of its divisors is an integer number (3879876).

Almost surely, 2^134865888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134865888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186234048).

134865888 is an abundant number, since it is smaller than the sum of its proper divisors (237602208).

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

134865888 is a wasteful number, since it uses less digits than its factorization.

134865888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976 (or 968 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 51.

The square root of 134865888 is about 11613.1773430014. The cubic root of 134865888 is about 512.8228549096.

The spelling of 134865888 in words is "one hundred thirty-four million, eight hundred sixty-five thousand, eight hundred eighty-eight".