138507802214 has 8 divisors (see below), whose sum is σ = 207919221840. Its totient is φ = 69201394936.

The previous prime is 138507802109. The next prime is 138507802231. The reversal of 138507802214 is 412208705831.

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

It is a super-2 number, since 2×138507802214² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

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, 26249789 + ... + 26255064.

It is an arithmetic number, because the mean of its divisors is an integer number (25989902730).

Almost surely, 2^138507802214 is an apocalyptic number.

138507802214 is a deficient number, since it is larger than the sum of its proper divisors (69411419626).

138507802214 is a wasteful number, since it uses less digits than its factorization.

138507802214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52506174.

The product of its (nonzero) digits is 107520, while the sum is 41.

The spelling of 138507802214 in words is "one hundred thirty-eight billion, five hundred seven million, eight hundred two thousand, two hundred fourteen".