139591848 has 64 divisors (see below), whose sum is σ = 393854400. Its totient is φ = 40839680.

The previous prime is 139591847. The next prime is 139591867. The reversal of 139591848 is 848195931.

It is a junction number, because it is equal to n+sod(n) for n = 139591797 and 139591806.

It is not an unprimeable number, because it can be changed into a prime (139591847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1461 + ... + 16772.

It is an arithmetic number, because the mean of its divisors is an integer number (6153975).

Almost surely, 2^139591848 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 139591848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196927200).

139591848 is an abundant number, since it is smaller than the sum of its proper divisors (254262552).

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

139591848 is a wasteful number, since it uses less digits than its factorization.

139591848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18282 (or 18278 counting only the distinct ones).

The product of its digits is 311040, while the sum is 48.

The square root of 139591848 is about 11814.8994071046. The cubic root of 139591848 is about 518.7443173907.

The spelling of 139591848 in words is "one hundred thirty-nine million, five hundred ninety-one thousand, eight hundred forty-eight".