1531134 has 72 divisors (see below), whose sum is σ = 3942120. Its totient is φ = 427680.

The previous prime is 1531129. The next prime is 1531147. The reversal of 1531134 is 4311351.

1531134 is a `hidden beast` number, since 1 + 531 + 134 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 41364 + ... + 41400.

2^1531134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1531134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1971060).

1531134 is an abundant number, since it is smaller than the sum of its proper divisors (2410986).

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

1531134 is a wasteful number, since it uses less digits than its factorization.

1531134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86 (or 72 counting only the distinct ones).

The product of its digits is 180, while the sum is 18.

The square root of 1531134 is about 1237.3899951107. The cubic root of 1531134 is about 115.2579966940.

Adding to 1531134 its reverse (4311351), we get a palindrome (5842485).

It can be divided in two parts, 1 and 531134, that added together give a palindrome (531135).

The spelling of 1531134 in words is "one million, five hundred thirty-one thousand, one hundred thirty-four".