8140536131 has 8 divisors (see below), whose sum is σ = 10019121504. Its totient is φ = 6440863680.

The previous prime is 8140536091. The next prime is 8140536133. The reversal of 8140536131 is 1316350418.

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

It is a cyclic number.

It is not a de Polignac number, because 8140536131 - 2¹⁴ = 8140519747 is a prime.

It is a super-2 number, since 2×8140536131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8140536133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44728130 + ... + 44728311.

It is an arithmetic number, because the mean of its divisors is an integer number (1252390188).

Almost surely, 2^8140536131 is an apocalyptic number.

8140536131 is a deficient number, since it is larger than the sum of its proper divisors (1878585373).

8140536131 is a wasteful number, since it uses less digits than its factorization.

8140536131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89456461.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 8140536131 is about 90224.9196785456. The cubic root of 8140536131 is about 2011.6434280011.

Adding to 8140536131 its reverse (1316350418), we get a palindrome (9456886549).

The spelling of 8140536131 in words is "eight billion, one hundred forty million, five hundred thirty-six thousand, one hundred thirty-one".