139100 has 36 divisors (see below), whose sum is σ = 328104. Its totient is φ = 50880.

The previous prime is 139091. The next prime is 139109. The reversal of 139100 is 1931.

139100 is nontrivially palindromic in base 6.

It is an interprime number because it is at equal distance from previous prime (139091) and next prime (139109).

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139109) by changing a digit.

139100 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1247 + ... + 1353.

It is an arithmetic number, because the mean of its divisors is an integer number (9114).

2¹³⁹¹⁰⁰ is an apocalyptic number.

139100 is a gapful number since it is divisible by the number (10) 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 139100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164052).

139100 is an abundant number, since it is smaller than the sum of its proper divisors (189004).

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

139100 is a wasteful number, since it uses less digits than its factorization.

139100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 139100 is about 372.9611239794. The cubic root of 139100 is about 51.8134340017.

The spelling of 139100 in words is "one hundred thirty-nine thousand, one hundred".