139101 has 8 divisors (see below), whose sum is σ = 187200. Its totient is φ = 91872.

The previous prime is 139091. The next prime is 139109. The reversal of 139101 is 101931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 139101 - 2¹⁰ = 138077 is a prime.

It is a plaindrome in base 14.

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 139101.

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

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 481 + ... + 713.

It is an arithmetic number, because the mean of its divisors is an integer number (23400).

2¹³⁹¹⁰¹ is an apocalyptic number.

It is an amenable number.

139101 is a deficient number, since it is larger than the sum of its proper divisors (48099).

139101 is a wasteful number, since it uses less digits than its factorization.

139101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435.

The product of its (nonzero) digits is 27, while the sum is 15.

The square root of 139101 is about 372.9624645993. The cubic root of 139101 is about 51.8135581649.

Adding to 139101 its product of nonzero digits (27), we get a triangular number (139128 = T₅₂₇).

The spelling of 139101 in words is "one hundred thirty-nine thousand, one hundred one".