134928788 has 12 divisors (see below), whose sum is σ = 242507412. Its totient is φ = 65640960.

The previous prime is 134928769. The next prime is 134928791. The reversal of 134928788 is 887829431.

It can be written as a sum of positive squares in 2 ways, for example, as 69189124 + 65739664 = 8318^2 + 8108^2 .

It is a super-2 number, since 2×134928788² = 36411555662297888, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 455693 + ... + 455988.

It is an arithmetic number, because the mean of its divisors is an integer number (20208951).

Almost surely, 2^134928788 is an apocalyptic number.

It is an amenable number.

134928788 is a deficient number, since it is larger than the sum of its proper divisors (107578624).

134928788 is a wasteful number, since it uses less digits than its factorization.

134928788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911722 (or 911720 counting only the distinct ones).

The product of its digits is 774144, while the sum is 50.

The square root of 134928788 is about 11615.8851578345. The cubic root of 134928788 is about 512.9025675403.

The spelling of 134928788 in words is "one hundred thirty-four million, nine hundred twenty-eight thousand, seven hundred eighty-eight".