139550208378 has 32 divisors (see below), whose sum is σ = 319935598080. Its totient is φ = 39751026480.

The previous prime is 139550208367. The next prime is 139550208397. The reversal of 139550208378 is 873802055931.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 139550208378.

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, 5005168 + ... + 5032971.

It is an arithmetic number, because the mean of its divisors is an integer number (9997987440).

Almost surely, 2^139550208378 is an apocalyptic number.

139550208378 is an abundant number, since it is smaller than the sum of its proper divisors (180385389702).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139550208378 is a wasteful number, since it uses less digits than its factorization.

139550208378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10038482.

The product of its (nonzero) digits is 1814400, while the sum is 51.

The spelling of 139550208378 in words is "one hundred thirty-nine billion, five hundred fifty million, two hundred eight thousand, three hundred seventy-eight".