138212602586 has 16 divisors (see below), whose sum is σ = 207816312960. Its totient is φ = 68940696000.

The previous prime is 138212602573. The next prime is 138212602609. The reversal of 138212602586 is 685206212831.

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, 1373810 + ... + 1470978.

It is an arithmetic number, because the mean of its divisors is an integer number (12988519560).

Almost surely, 2^138212602586 is an apocalyptic number.

138212602586 is a deficient number, since it is larger than the sum of its proper divisors (69603710374).

138212602586 is an equidigital number, since it uses as much as digits as its factorization.

138212602586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98869.

The product of its (nonzero) digits is 276480, while the sum is 44.

The spelling of 138212602586 in words is "one hundred thirty-eight billion, two hundred twelve million, six hundred two thousand, five hundred eighty-six".