139384 has 32 divisors (see below), whose sum is σ = 316800. Its totient is φ = 56160.

The previous prime is 139369. The next prime is 139387. The reversal of 139384 is 483931.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139387) 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, 999 + ... + 1129.

It is an arithmetic number, because the mean of its divisors is an integer number (9900).

2¹³⁹³⁸⁴ is an apocalyptic number.

139384 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 139384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158400).

139384 is an abundant number, since it is smaller than the sum of its proper divisors (177416).

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

139384 is a wasteful number, since it uses less digits than its factorization.

139384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 159 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 139384 is about 373.3416665737. The cubic root of 139384 is about 51.8486724682.

The spelling of 139384 in words is "one hundred thirty-nine thousand, three hundred eighty-four".