138614248786 has 32 divisors (see below), whose sum is σ = 225187401600. Its totient is φ = 63612781056.

The previous prime is 138614248769. The next prime is 138614248793. The reversal of 138614248786 is 687842416831.

It is a self number, because there is not a number n which added to its sum of digits gives 138614248786.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8772385 + ... + 8788171.

It is an arithmetic number, because the mean of its divisors is an integer number (7037106300).

Almost surely, 2^138614248786 is an apocalyptic number.

138614248786 is a deficient number, since it is larger than the sum of its proper divisors (86573152814).

138614248786 is a wasteful number, since it uses less digits than its factorization.

138614248786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17698.

The product of its digits is 12386304, while the sum is 58.

The spelling of 138614248786 in words is "one hundred thirty-eight billion, six hundred fourteen million, two hundred forty-eight thousand, seven hundred eighty-six".