139602 has 16 divisors (see below), whose sum is σ = 285120. Its totient is φ = 45552.

The previous prime is 139597. The next prime is 139609. The reversal of 139602 is 206931.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 139602.

It is not an unprimeable number, because it can be changed into a prime (139609) by changing a digit.

139602 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 7 ways as a sum of consecutive naturals, for example, 99 + ... + 537.

It is an arithmetic number, because the mean of its divisors is an integer number (17820).

2¹³⁹⁶⁰² is an apocalyptic number.

139602 is an abundant number, since it is smaller than the sum of its proper divisors (145518).

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

139602 is a wasteful number, since it uses less digits than its factorization.

139602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 139602 is about 373.6335102744. The cubic root of 139602 is about 51.8756892539.

It can be divided in two parts, 139 and 602, that added together give a triangular number (741 = T₃₈).

The spelling of 139602 in words is "one hundred thirty-nine thousand, six hundred two".