138805322710 has 8 divisors (see below), whose sum is σ = 249849580896. Its totient is φ = 55522129080.

The previous prime is 138805322707. The next prime is 138805322717. The reversal of 138805322710 is 17223508831.

It is a happy number.

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

It is a super-2 number, since 2×138805322710² (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 (138805322717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6940266126 + ... + 6940266145.

It is an arithmetic number, because the mean of its divisors is an integer number (31231197612).

Almost surely, 2^138805322710 is an apocalyptic number.

138805322710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138805322710 is a deficient number, since it is larger than the sum of its proper divisors (111044258186).

138805322710 is a wasteful number, since it uses less digits than its factorization.

138805322710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13880532278.

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 138805322710 in words is "one hundred thirty-eight billion, eight hundred five million, three hundred twenty-two thousand, seven hundred ten".