138711371810 has 32 divisors (see below), whose sum is σ = 272625875712. Its totient is φ = 50394724480.

The previous prime is 138711371809. The next prime is 138711371833. The reversal of 138711371810 is 18173117831.

It is a super-2 number, since 2×138711371810² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 450299 + ... + 692958.

It is an arithmetic number, because the mean of its divisors is an integer number (8519558616).

Almost surely, 2^138711371810 is an apocalyptic number.

138711371810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138711371810 is a deficient number, since it is larger than the sum of its proper divisors (133914503902).

138711371810 is a wasteful number, since it uses less digits than its factorization.

138711371810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144378.

The product of its (nonzero) digits is 28224, while the sum is 41.

The spelling of 138711371810 in words is "one hundred thirty-eight billion, seven hundred eleven million, three hundred seventy-one thousand, eight hundred ten".