511273134 has 40 divisors (see below), whose sum is σ = 1149040200. Its totient is φ = 169917264.

The previous prime is 511273127. The next prime is 511273163. The reversal of 511273134 is 431372115.

It is a super-2 number, since 2×511273134² = 522800435100363912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 511273098 and 511273107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 52017 + ... + 61059.

It is an arithmetic number, because the mean of its divisors is an integer number (28726005).

Almost surely, 2^511273134 is an apocalyptic number.

511273134 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 511273134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (574520100).

511273134 is an abundant number, since it is smaller than the sum of its proper divisors (637767066).

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

511273134 is a wasteful number, since it uses less digits than its factorization.

511273134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9406 (or 9397 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 511273134 is about 22611.3496722332. The cubic root of 511273134 is about 799.6212446671.

The spelling of 511273134 in words is "five hundred eleven million, two hundred seventy-three thousand, one hundred thirty-four".