134998768 has 40 divisors (see below), whose sum is σ = 278888400. Its totient is φ = 63083520.

The previous prime is 134998733. The next prime is 134998783. The reversal of 134998768 is 867899431.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38863 + ... + 42193.

It is an arithmetic number, because the mean of its divisors is an integer number (6972210).

Almost surely, 2^134998768 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 134998768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139444200).

134998768 is an abundant number, since it is smaller than the sum of its proper divisors (143889632).

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

134998768 is a wasteful number, since it uses less digits than its factorization.

134998768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3505 (or 3499 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 55.

The square root of 134998768 is about 11618.8970216626. The cubic root of 134998768 is about 512.9912234869.

The spelling of 134998768 in words is "one hundred thirty-four million, nine hundred ninety-eight thousand, seven hundred sixty-eight".