138613212662 has 8 divisors (see below), whose sum is σ = 207924699216. Its totient is φ = 69304979592.

The previous prime is 138613212659. The next prime is 138613212701. The reversal of 138613212662 is 266212316831.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 703913 + ... + 879044.

It is an arithmetic number, because the mean of its divisors is an integer number (25990587402).

Almost surely, 2^138613212662 is an apocalyptic number.

138613212662 is a deficient number, since it is larger than the sum of its proper divisors (69311486554).

138613212662 is a wasteful number, since it uses less digits than its factorization.

138613212662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626742.

The product of its digits is 124416, while the sum is 41.

The spelling of 138613212662 in words is "one hundred thirty-eight billion, six hundred thirteen million, two hundred twelve thousand, six hundred sixty-two".