139213 has 8 divisors (see below), whose sum is σ = 155520. Its totient is φ = 123840.

The previous prime is 139201. The next prime is 139241. The reversal of 139213 is 312931.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-139213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

139213 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139273) 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, 108 + ... + 538.

It is an arithmetic number, because the mean of its divisors is an integer number (19440).

2¹³⁹²¹³ is an apocalyptic number.

It is an amenable number.

139213 is a deficient number, since it is larger than the sum of its proper divisors (16307).

139213 is a wasteful number, since it uses less digits than its factorization.

139213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467.

The product of its digits is 162, while the sum is 19.

The square root of 139213 is about 373.1125835455. The cubic root of 139213 is about 51.8274606811.

It can be divided in two parts, 13921 and 3, that added together give a square (13924 = 118²).

The spelling of 139213 in words is "one hundred thirty-nine thousand, two hundred thirteen".