139216000 has 256 divisors, whose sum is σ = 435352320. Its totient is φ = 43008000.

The previous prime is 139215977. The next prime is 139216031. The reversal of 139216000 is 612931.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1231944 + ... + 1232056.

It is an arithmetic number, because the mean of its divisors is an integer number (1700595).

Almost surely, 2^139216000 is an apocalyptic number.

139216000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139216000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217676160).

139216000 is an abundant number, since it is smaller than the sum of its proper divisors (296136320).

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

139216000 is a wasteful number, since it uses less digits than its factorization.

139216000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 139216000 is about 11798.9830070223. The cubic root of 139216000 is about 518.2783296737.

Adding to 139216000 its reverse (612931), we get a palindrome (139828931).

The spelling of 139216000 in words is "one hundred thirty-nine million, two hundred sixteen thousand".