139363 has 8 divisors (see below), whose sum is σ = 163328. Its totient is φ = 116424.

The previous prime is 139361. The next prime is 139367. The reversal of 139363 is 363931.

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

It is not a de Polignac number, because 139363 - 2¹ = 139361 is a prime.

It is a Duffinian number.

139363 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (139361) 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, 70 + ... + 532.

It is an arithmetic number, because the mean of its divisors is an integer number (20416).

2¹³⁹³⁶³ is an apocalyptic number.

139363 is a deficient number, since it is larger than the sum of its proper divisors (23965).

139363 is an equidigital number, since it uses as much as digits as its factorization.

139363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513.

The product of its digits is 1458, while the sum is 25.

The square root of 139363 is about 373.3135411420. The cubic root of 139363 is about 51.8460684467.

The spelling of 139363 in words is "one hundred thirty-nine thousand, three hundred sixty-three".