138753440086 has 8 divisors (see below), whose sum is σ = 213206505624. Its totient is φ = 67684604880.

The previous prime is 138753440083. The next prime is 138753440093. The reversal of 138753440086 is 680044357831.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138753440081) 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, 846057480 + ... + 846057643.

It is an arithmetic number, because the mean of its divisors is an integer number (26650813203).

Almost surely, 2^138753440086 is an apocalyptic number.

138753440086 is a deficient number, since it is larger than the sum of its proper divisors (74453065538).

138753440086 is a wasteful number, since it uses less digits than its factorization.

138753440086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692115166.

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 138753440086 in words is "one hundred thirty-eight billion, seven hundred fifty-three million, four hundred forty thousand, eighty-six".