138067107650 has 48 divisors (see below), whose sum is σ = 267460470720. Its totient is φ = 52977355200.

The previous prime is 138067107649. The next prime is 138067107719. The reversal of 138067107650 is 56701760831.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 394220 + ... + 656919.

It is an arithmetic number, because the mean of its divisors is an integer number (5572093140).

Almost surely, 2^138067107650 is an apocalyptic number.

138067107650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138067107650 is a deficient number, since it is larger than the sum of its proper divisors (129393363070).

138067107650 is a wasteful number, since it uses less digits than its factorization.

138067107650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051259 (or 1051254 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 44.

The spelling of 138067107650 in words is "one hundred thirty-eight billion, sixty-seven million, one hundred seven thousand, six hundred fifty".