520134144 has 80 divisors (see below), whose sum is σ = 1446014592. Its totient is φ = 165828608.

The previous prime is 520134137. The next prime is 520134161. The reversal of 520134144 is 441431025.

It is a super-2 number, since 2×520134144² = 541079055509225472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27967 + ... + 42689.

Almost surely, 2^520134144 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 520134144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (723007296).

520134144 is an abundant number, since it is smaller than the sum of its proper divisors (925880448).

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

520134144 is a wasteful number, since it uses less digits than its factorization.

520134144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14767 (or 14751 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 520134144 is about 22806.4496140894. The cubic root of 520134144 is about 804.2142940080.

Adding to 520134144 its reverse (441431025), we get a palindrome (961565169).

The spelling of 520134144 in words is "five hundred twenty million, one hundred thirty-four thousand, one hundred forty-four".