139342 has 16 divisors (see below), whose sum is σ = 246240. Its totient is φ = 57888.

The previous prime is 139339. The next prime is 139343. The reversal of 139342 is 243931.

It is a d-powerful number, because it can be written as 1 + 3 + 3¹⁰ + 9⁴ + 4⁸ + 2¹³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384 + ... + 652.

It is an arithmetic number, because the mean of its divisors is an integer number (15390).

2¹³⁹³⁴² is an apocalyptic number.

139342 is a deficient number, since it is larger than the sum of its proper divisors (106898).

139342 is a wasteful number, since it uses less digits than its factorization.

139342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315.

The product of its digits is 648, while the sum is 22.

The square root of 139342 is about 373.2854135913. The cubic root of 139342 is about 51.8434641635.

The spelling of 139342 in words is "one hundred thirty-nine thousand, three hundred forty-two".