8140536126 has 20 divisors (see below), whose sum is σ = 18240831312. Its totient is φ = 2713511988.

The previous prime is 8140536091. The next prime is 8140536133. The reversal of 8140536126 is 6216350418.

It is a happy number.

8140536126 is a `hidden beast` number, since 81 + 40 + 536 + 1 + 2 + 6 = 666.

It is a super-2 number, since 2×8140536126² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 25124950 + ... + 25125273.

Almost surely, 2^8140536126 is an apocalyptic number.

8140536126 is an abundant number, since it is smaller than the sum of its proper divisors (10100295186).

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

8140536126 is a wasteful number, since it uses less digits than its factorization.

8140536126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50250237 (or 50250228 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 8140536126 is about 90224.9196508370. The cubic root of 8140536126 is about 2011.6434275893.

The spelling of 8140536126 in words is "eight billion, one hundred forty million, five hundred thirty-six thousand, one hundred twenty-six".