138067853290 has 8 divisors (see below), whose sum is σ = 248522135940. Its totient is φ = 55227141312.

The previous prime is 138067853281. The next prime is 138067853303. The reversal of 138067853290 is 92358760831.

It can be written as a sum of positive squares in 2 ways, for example, as 136523599081 + 1544254209 = 369491^2 + 39297^2 .

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

It is a super-2 number, since 2×138067853290² (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 3 ways as a sum of consecutive naturals, for example, 6903392655 + ... + 6903392674.

Almost surely, 2^138067853290 is an apocalyptic number.

138067853290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138067853290 is a deficient number, since it is larger than the sum of its proper divisors (110454282650).

138067853290 is a wasteful number, since it uses less digits than its factorization.

138067853290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13806785336.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 138067853290 in words is "one hundred thirty-eight billion, sixty-seven million, eight hundred fifty-three thousand, two hundred ninety".