139224318 has 8 divisors (see below), whose sum is σ = 278448648. Its totient is φ = 46408104.

The previous prime is 139224301. The next prime is 139224347. The reversal of 139224318 is 813422931.

139224318 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

139224318 is an admirable number.

It is a Curzon number.

It is a congruent number.

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, 11602021 + ... + 11602032.

It is an arithmetic number, because the mean of its divisors is an integer number (34806081).

Almost surely, 2^139224318 is an apocalyptic number.

139224318 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

139224318 is a wasteful number, since it uses less digits than its factorization.

139224318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23204058.

The product of its digits is 10368, while the sum is 33.

The square root of 139224318 is about 11799.3354897638. The cubic root of 139224318 is about 518.2886516513.

The spelling of 139224318 in words is "one hundred thirty-nine million, two hundred twenty-four thousand, three hundred eighteen".