139996032 has 192 divisors, whose sum is σ = 429770880. Its totient is φ = 40268800.

The previous prime is 139996027. The next prime is 139996057. The reversal of 139996032 is 230699931.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1068607 + ... + 1068737.

It is an arithmetic number, because the mean of its divisors is an integer number (2238390).

Almost surely, 2^139996032 is an apocalyptic number.

139996032 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 139996032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214885440).

139996032 is an abundant number, since it is smaller than the sum of its proper divisors (289774848).

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

139996032 is a wasteful number, since it uses less digits than its factorization.

139996032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 78732, while the sum is 42.

The square root of 139996032 is about 11831.9918864070. The cubic root of 139996032 is about 519.2445044681.

The spelling of 139996032 in words is "one hundred thirty-nine million, nine hundred ninety-six thousand, thirty-two".