7200140531 has 8 divisors (see below), whose sum is σ = 7338000384. Its totient is φ = 7063587720.

The previous prime is 7200140489. The next prime is 7200140557. The reversal of 7200140531 is 1350410027.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7200140531 is a prime.

It is a super-2 number, since 2×7200140531² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7200140497 and 7200140506.

It is not an unprimeable number, because it can be changed into a prime (7200140131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315635 + ... + 337676.

It is an arithmetic number, because the mean of its divisors is an integer number (917250048).

Almost surely, 2^7200140531 is an apocalyptic number.

7200140531 is a deficient number, since it is larger than the sum of its proper divisors (137859853).

7200140531 is a wasteful number, since it uses less digits than its factorization.

7200140531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653521.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 7200140531 is about 84853.6418252039. The cubic root of 7200140531 is about 1930.9913322026.

Adding to 7200140531 its reverse (1350410027), we get a palindrome (8550550558).

The spelling of 7200140531 in words is "seven billion, two hundred million, one hundred forty thousand, five hundred thirty-one".