139136 has 16 divisors (see below), whose sum is σ = 277440. Its totient is φ = 69504.

The previous prime is 139133. The next prime is 139169. The reversal of 139136 is 631931.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 416 + ... + 671.

It is an arithmetic number, because the mean of its divisors is an integer number (17340).

2¹³⁹¹³⁶ is an apocalyptic number.

139136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

139136 is a deficient number, since it is larger than the sum of its proper divisors (138304).

139136 is an equidigital number, since it uses as much as digits as its factorization.

139136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101 (or 1089 counting only the distinct ones).

The product of its digits is 486, while the sum is 23.

The square root of 139136 is about 373.0093832600. The cubic root of 139136 is about 51.8179035026.

The spelling of 139136 in words is "one hundred thirty-nine thousand, one hundred thirty-six".