138864228614 has 16 divisors (see below), whose sum is σ = 208626240816. Its totient is φ = 69322207200.

The previous prime is 138864228539. The next prime is 138864228617. The reversal of 138864228614 is 416822468831.

It is a super-2 number, since 2×138864228614² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138864228617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5504249 + ... + 5529419.

It is an arithmetic number, because the mean of its divisors is an integer number (13039140051).

Almost surely, 2^138864228614 is an apocalyptic number.

138864228614 is a deficient number, since it is larger than the sum of its proper divisors (69762012202).

138864228614 is a wasteful number, since it uses less digits than its factorization.

138864228614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29431.

The product of its digits is 3538944, while the sum is 53.

The spelling of 138864228614 in words is "one hundred thirty-eight billion, eight hundred sixty-four million, two hundred twenty-eight thousand, six hundred fourteen".