130868516638 has 16 divisors (see below), whose sum is σ = 207643679136. Its totient is φ = 61731901440.

The previous prime is 130868516593. The next prime is 130868516641. The reversal of 130868516638 is 836615868031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19482723 + ... + 19489438.

It is an arithmetic number, because the mean of its divisors is an integer number (12977729946).

Almost surely, 2^130868516638 is an apocalyptic number.

130868516638 is a deficient number, since it is larger than the sum of its proper divisors (76775162498).

130868516638 is a wasteful number, since it uses less digits than its factorization.

130868516638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38972259.

The product of its (nonzero) digits is 4976640, while the sum is 55.

The spelling of 130868516638 in words is "one hundred thirty billion, eight hundred sixty-eight million, five hundred sixteen thousand, six hundred thirty-eight".