139302912 has 192 divisors, whose sum is σ = 440294400. Its totient is φ = 38338560.

The previous prime is 139302901. The next prime is 139302949. The reversal of 139302912 is 219203931.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (192).

It is a self number, because there is not a number n which added to its sum of digits gives 139302912.

It is a congruent number.

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, 1763289 + ... + 1763367.

It is an arithmetic number, because the mean of its divisors is an integer number (2293200).

Almost surely, 2^139302912 is an apocalyptic number.

139302912 is a gapful number since it is divisible by the number (12) 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 139302912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220147200).

139302912 is an abundant number, since it is smaller than the sum of its proper divisors (300991488).

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

139302912 is an equidigital number, since it uses as much as digits as its factorization.

139302912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 139302912 is about 11802.6654616659. The cubic root of 139302912 is about 518.3861602768.

The spelling of 139302912 in words is "one hundred thirty-nine million, three hundred two thousand, nine hundred twelve".