511444134 has 12 divisors (see below), whose sum is σ = 1108128996. Its totient is φ = 170481372.

The previous prime is 511444121. The next prime is 511444151. The reversal of 511444134 is 431444115.

It is a junction number, because it is equal to n+sod(n) for n = 511444098 and 511444107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14206764 + ... + 14206799.

It is an arithmetic number, because the mean of its divisors is an integer number (92344083).

Almost surely, 2^511444134 is an apocalyptic number.

511444134 is an abundant number, since it is smaller than the sum of its proper divisors (596684862).

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

511444134 is a wasteful number, since it uses less digits than its factorization.

511444134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28413571 (or 28413568 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 511444134 is about 22615.1306430009. The cubic root of 511444134 is about 799.7103816225.

Adding to 511444134 its reverse (431444115), we get a palindrome (942888249).

It can be divided in two parts, 51144 and 4134, that added together give a triangular number (55278 = T₃₃₂).

The spelling of 511444134 in words is "five hundred eleven million, four hundred forty-four thousand, one hundred thirty-four".