10531140 has 24 divisors (see below), whose sum is σ = 29487360. Its totient is φ = 2808288.

The previous prime is 10531139. The next prime is 10531151. The reversal of 10531140 is 4113501.

It is a super-2 number, since 2×10531140² = 221809819399200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 87700 + ... + 87819.

It is an arithmetic number, because the mean of its divisors is an integer number (1228640).

Almost surely, 2^10531140 is an apocalyptic number.

10531140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10531140 is an abundant number, since it is smaller than the sum of its proper divisors (18956220).

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

10531140 is a wasteful number, since it uses less digits than its factorization.

10531140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175531 (or 175529 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 10531140 is about 3245.1717982258. The cubic root of 10531140 is about 219.1922167215.

Adding to 10531140 its reverse (4113501), we get a palindrome (14644641).

The spelling of 10531140 in words is "ten million, five hundred thirty-one thousand, one hundred forty".