531949134 has 32 divisors (see below), whose sum is σ = 1073608704. Its totient is φ = 175705920.

The previous prime is 531949073. The next prime is 531949147. The reversal of 531949134 is 431949135.

It is a happy number.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 531949092 and 531949101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 357957 + ... + 359439.

It is an arithmetic number, because the mean of its divisors is an integer number (33550272).

Almost surely, 2^531949134 is an apocalyptic number.

531949134 is an abundant number, since it is smaller than the sum of its proper divisors (541659570).

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

531949134 is a wasteful number, since it uses less digits than its factorization.

531949134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1992.

The product of its digits is 58320, while the sum is 39.

The square root of 531949134 is about 23064.0225025905. The cubic root of 531949134 is about 810.2580765820.

Subtracting from 531949134 its reverse (431949135), we obtain a palindrome (99999999).

The spelling of 531949134 in words is "five hundred thirty-one million, nine hundred forty-nine thousand, one hundred thirty-four".