139112064 has 192 divisors, whose sum is σ = 493059840. Its totient is φ = 36661248.

The previous prime is 139112063. The next prime is 139112069. The reversal of 139112064 is 460211931.

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

It is not an unprimeable number, because it can be changed into a prime (139112063) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104169 + ... + 105495.

It is an arithmetic number, because the mean of its divisors is an integer number (2568020).

Almost surely, 2^139112064 is an apocalyptic number.

139112064 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 139112064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246529920).

139112064 is an abundant number, since it is smaller than the sum of its proper divisors (353947776).

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

139112064 is a wasteful number, since it uses less digits than its factorization.

139112064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1367 (or 1352 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 139112064 is about 11794.5777372486. The cubic root of 139112064 is about 518.1493186702.

Adding to 139112064 its reverse (460211931), we get a palindrome (599323995).

The spelling of 139112064 in words is "one hundred thirty-nine million, one hundred twelve thousand, sixty-four".