139035 has 32 divisors (see below), whose sum is σ = 258048. Its totient is φ = 63360.

The previous prime is 139033. The next prime is 139067. The reversal of 139035 is 530931.

It is not a de Polignac number, because 139035 - 2¹ = 139033 is a prime.

It is a Smith number, since the sum of its digits (21) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (139033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4470 + ... + 4500.

It is an arithmetic number, because the mean of its divisors is an integer number (8064).

2¹³⁹⁰³⁵ is an apocalyptic number.

139035 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

139035 is a deficient number, since it is larger than the sum of its proper divisors (119013).

139035 is a wasteful number, since it uses less digits than its factorization.

139035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75.

The product of its (nonzero) digits is 405, while the sum is 21.

The square root of 139035 is about 372.8739733476. The cubic root of 139035 is about 51.8053621159.

Adding to 139035 its reverse (530931), we get a palindrome (669966).

The spelling of 139035 in words is "one hundred thirty-nine thousand, thirty-five".