141531140 has 24 divisors (see below), whose sum is σ = 298865112. Its totient is φ = 56298240.

The previous prime is 141531097. The next prime is 141531193. The reversal of 141531140 is 41135141.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 586756 + 140944384 = 766^2 + 11872^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15929 + ... + 23168.

It is an arithmetic number, because the mean of its divisors is an integer number (12452713).

Almost surely, 2^141531140 is an apocalyptic number.

141531140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

141531140 is an abundant number, since it is smaller than the sum of its proper divisors (157333972).

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

141531140 is a wasteful number, since it uses less digits than its factorization.

141531140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39287 (or 39285 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 141531140 is about 11896.6860931942. The cubic root of 141531140 is about 521.1355117017.

Adding to 141531140 its reverse (41135141), we get a palindrome (182666281).

The spelling of 141531140 in words is "one hundred forty-one million, five hundred thirty-one thousand, one hundred forty".