139298 has 12 divisors (see below), whose sum is σ = 222882. Its totient is φ = 65280.

The previous prime is 139297. The next prime is 139301. The reversal of 139298 is 892931.

139298 is nontrivially palindromic in base 4 and base 16.

It can be written as a sum of positive squares in 3 ways, for example, as 139129 + 169 = 373^2 + 13^2 .

It is not an unprimeable number, because it can be changed into a prime (139291) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 458 + ... + 698.

2¹³⁹²⁹⁸ is an apocalyptic number.

139298 is a deficient number, since it is larger than the sum of its proper divisors (83584).

139298 is a wasteful number, since it uses less digits than its factorization.

139298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277 (or 260 counting only the distinct ones).

The product of its digits is 3888, while the sum is 32.

The square root of 139298 is about 373.2264728017. The cubic root of 139298 is about 51.8380067217.

The spelling of 139298 in words is "one hundred thirty-nine thousand, two hundred ninety-eight".