139272 has 32 divisors (see below), whose sum is σ = 398400. Its totient is φ = 39744.

The previous prime is 139267. The next prime is 139273. The reversal of 139272 is 272931.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (139273) by changing a digit.

139272 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247 + ... + 582.

It is an arithmetic number, because the mean of its divisors is an integer number (12450).

2¹³⁹²⁷² is an apocalyptic number.

139272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

139272 is an abundant number, since it is smaller than the sum of its proper divisors (259128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139272 is a wasteful number, since it uses less digits than its factorization.

139272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845 (or 841 counting only the distinct ones).

The product of its digits is 756, while the sum is 24.

The square root of 139272 is about 373.1916397777. The cubic root of 139272 is about 51.8347813296.

The spelling of 139272 in words is "one hundred thirty-nine thousand, two hundred seventy-two".