139702 has 8 divisors (see below), whose sum is σ = 218736. Its totient is φ = 66792.

The previous prime is 139697. The next prime is 139703. The reversal of 139702 is 207931.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139703) by changing a digit.

139702 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 3 ways as a sum of consecutive naturals, for example, 1473 + ... + 1564.

It is an arithmetic number, because the mean of its divisors is an integer number (27342).

2¹³⁹⁷⁰² is an apocalyptic number.

139702 is a deficient number, since it is larger than the sum of its proper divisors (79034).

139702 is a wasteful number, since it uses less digits than its factorization.

139702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3062.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 139702 is about 373.7673072916. The cubic root of 139702 is about 51.8880728653. Note that the first 3 decimals are identical.

It can be divided in two parts, 139 and 702, that added together give a square (841 = 29²).

The spelling of 139702 in words is "one hundred thirty-nine thousand, seven hundred two".