139548 has 24 divisors (see below), whose sum is σ = 337680. Its totient is φ = 44800.

The previous prime is 139547. The next prime is 139571. The reversal of 139548 is 845931.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 139548.

It is not an unprimeable number, because it can be changed into a prime (139547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148 + ... + 548.

It is an arithmetic number, because the mean of its divisors is an integer number (14070).

2¹³⁹⁵⁴⁸ 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 139548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168840).

139548 is an abundant number, since it is smaller than the sum of its proper divisors (198132).

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

139548 is a wasteful number, since it uses less digits than its factorization.

139548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437 (or 435 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 139548 is about 373.5612399594. The cubic root of 139548 is about 51.8689996447.

The spelling of 139548 in words is "one hundred thirty-nine thousand, five hundred forty-eight".