139896064 has 144 divisors (see below), whose sum is σ = 357912576. Its totient is φ = 52992000.

The previous prime is 139896061. The next prime is 139896089. The reversal of 139896064 is 460698931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139896061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 926389 + ... + 926539.

It is an arithmetic number, because the mean of its divisors is an integer number (2485504).

Almost surely, 2^139896064 is an apocalyptic number.

139896064 is a gapful number since it is divisible by the number (14) 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 139896064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178956288).

139896064 is an abundant number, since it is smaller than the sum of its proper divisors (218016512).

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

139896064 is a wasteful number, since it uses less digits than its factorization.

139896064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232 (or 218 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 139896064 is about 11827.7666530922. The cubic root of 139896064 is about 519.1208814526.

The spelling of 139896064 in words is "one hundred thirty-nine million, eight hundred ninety-six thousand, sixty-four".