140800531 has 4 divisors (see below), whose sum is σ = 140960872. Its totient is φ = 140640192.

The previous prime is 140800529. The next prime is 140800537. The reversal of 140800531 is 135008041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140800531 - 2¹ = 140800529 is a prime.

It is a super-2 number, since 2×140800531² = 39649579059763922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140800537) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 78846 + ... + 80611.

It is an arithmetic number, because the mean of its divisors is an integer number (35240218).

Almost surely, 2^140800531 is an apocalyptic number.

140800531 is a deficient number, since it is larger than the sum of its proper divisors (160341).

140800531 is an equidigital number, since it uses as much as digits as its factorization.

140800531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160340.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 140800531 is about 11865.9399543399. The cubic root of 140800531 is about 520.2372327303.

Adding to 140800531 its reverse (135008041), we get a palindrome (275808572).

The spelling of 140800531 in words is "one hundred forty million, eight hundred thousand, five hundred thirty-one".