76695140138 has 8 divisors (see below), whose sum is σ = 115046614980. Its totient is φ = 38346268480.

The previous prime is 76695140131. The next prime is 76695140141. The reversal of 76695140138 is 83104159667.

It can be written as a sum of positive squares in 2 ways, for example, as 73895354569 + 2799785569 = 271837^2 + 52913^2 .

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

It is not an unprimeable number, because it can be changed into a prime (76695140131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 575393 + ... + 696036.

Almost surely, 2^76695140138 is an apocalyptic number.

76695140138 is a deficient number, since it is larger than the sum of its proper divisors (38351474842).

76695140138 is a wasteful number, since it uses less digits than its factorization.

76695140138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301592.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The spelling of 76695140138 in words is "seventy-six billion, six hundred ninety-five million, one hundred forty thousand, one hundred thirty-eight".