8140530554 has 8 divisors (see below), whose sum is σ = 13150087860. Its totient is φ = 3757167936.

The previous prime is 8140530499. The next prime is 8140530557. The reversal of 8140530554 is 4550350418.

It can be written as a sum of positive squares in 2 ways, for example, as 6440865025 + 1699665529 = 80255^2 + 41227^2 .

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

It is a super-4 number, since 4×8140530554⁴ (a number of 41 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (8140530557) 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 3 ways as a sum of consecutive naturals, for example, 156548639 + ... + 156548690.

Almost surely, 2^8140530554 is an apocalyptic number.

8140530554 is a deficient number, since it is larger than the sum of its proper divisors (5009557306).

8140530554 is a wasteful number, since it uses less digits than its factorization.

8140530554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313097344.

The product of its (nonzero) digits is 48000, while the sum is 35.

The square root of 8140530554 is about 90224.8887724446. Note that the first 3 decimals coincide. The cubic root of 8140530554 is about 2011.6429686154.

The spelling of 8140530554 in words is "eight billion, one hundred forty million, five hundred thirty thousand, five hundred fifty-four".