531346134 has 64 divisors (see below), whose sum is σ = 1227582720. Its totient is φ = 151632000.

The previous prime is 531346111. The next prime is 531346157. The reversal of 531346134 is 431643135.

It is an interprime number because it is at equal distance from previous prime (531346111) and next prime (531346157).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 225804 + ... + 228144.

It is an arithmetic number, because the mean of its divisors is an integer number (19180980).

Almost surely, 2^531346134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 531346134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (613791360).

531346134 is an abundant number, since it is smaller than the sum of its proper divisors (696236586).

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

531346134 is a wasteful number, since it uses less digits than its factorization.

531346134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2557.

The product of its digits is 12960, while the sum is 30.

The square root of 531346134 is about 23050.9464881597. The cubic root of 531346134 is about 809.9518002107.

Adding to 531346134 its reverse (431643135), we get a palindrome (962989269).

The spelling of 531346134 in words is "five hundred thirty-one million, three hundred forty-six thousand, one hundred thirty-four".