139248032 has 96 divisors (see below), whose sum is σ = 353009664. Its totient is φ = 52473600.

The previous prime is 139248029. The next prime is 139248047. The reversal of 139248032 is 230842931.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 139248032.

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, 75473 + ... + 77295.

It is an arithmetic number, because the mean of its divisors is an integer number (3677184).

Almost surely, 2^139248032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139248032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176504832).

139248032 is an abundant number, since it is smaller than the sum of its proper divisors (213761632).

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

139248032 is a wasteful number, since it uses less digits than its factorization.

139248032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1882 (or 1874 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 139248032 is about 11800.3403340751. The cubic root of 139248032 is about 518.3180765858.

The spelling of 139248032 in words is "one hundred thirty-nine million, two hundred forty-eight thousand, thirty-two".