139037 has 4 divisors (see below), whose sum is σ = 139836. Its totient is φ = 138240.

The previous prime is 139033. The next prime is 139067. The reversal of 139037 is 730931.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 730931 = 389 ⋅1879.

It can be written as a sum of positive squares in 2 ways, for example, as 106276 + 32761 = 326^2 + 181^2 .

It is a cyclic number.

It is not a de Polignac number, because 139037 - 2² = 139033 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 139037.

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 3 ways as a sum of consecutive naturals, for example, 14 + ... + 527.

It is an arithmetic number, because the mean of its divisors is an integer number (34959).

2¹³⁹⁰³⁷ is an apocalyptic number.

It is an amenable number.

139037 is a deficient number, since it is larger than the sum of its proper divisors (799).

139037 is an equidigital number, since it uses as much as digits as its factorization.

139037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798.

The product of its (nonzero) digits is 567, while the sum is 23.

The square root of 139037 is about 372.8766552092. The cubic root of 139037 is about 51.8056105191.

Adding to 139037 its reverse (730931), we get a palindrome (869968).

The spelling of 139037 in words is "one hundred thirty-nine thousand, thirty-seven".