531469140 has 48 divisors (see below), whose sum is σ = 1566438720. Its totient is φ = 134265600.

The previous prime is 531469123. The next prime is 531469153. The reversal of 531469140 is 41964135.

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 15 ways as a sum of consecutive naturals, for example, 231961 + ... + 234240.

It is an arithmetic number, because the mean of its divisors is an integer number (32634140).

Almost surely, 2^531469140 is an apocalyptic number.

It is an amenable number.

531469140 is an abundant number, since it is smaller than the sum of its proper divisors (1034969580).

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

531469140 is a wasteful number, since it uses less digits than its factorization.

531469140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466232 (or 466230 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 531469140 is about 23053.6144671503. The cubic root of 531469140 is about 810.0142963488.

The spelling of 531469140 in words is "five hundred thirty-one million, four hundred sixty-nine thousand, one hundred forty".