138862228426 has 16 divisors (see below), whose sum is σ = 220638570624. Its totient is φ = 65319470784.

The previous prime is 138862228397. The next prime is 138862228447. The reversal of 138862228426 is 624822268831.

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, 775920 + ... + 937963.

It is an arithmetic number, because the mean of its divisors is an integer number (13789910664).

Almost surely, 2^138862228426 is an apocalyptic number.

138862228426 is a deficient number, since it is larger than the sum of its proper divisors (81776342198).

138862228426 is a wasteful number, since it uses less digits than its factorization.

138862228426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1716285.

The product of its digits is 3538944, while the sum is 52.

The spelling of 138862228426 in words is "one hundred thirty-eight billion, eight hundred sixty-two million, two hundred twenty-eight thousand, four hundred twenty-six".