139953283 has 6 divisors (see below), whose sum is σ = 141957332.
Its totient is φ = 137977140.
The previous prime is 139953271. The next prime is 139953349. The reversal of 139953283 is 382359931.
It is not a de Polignac number, because 139953283 - 217 = 139822211 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (139953223) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8841 + ... + 18922.
Almost surely, 2139953283 is an apocalyptic number.
139953283 is the 6324-th centered heptagonal number.
139953283 is a deficient number, since it is larger than the sum of its proper divisors (2004049).
139953283 is an frugal number, since it uses more digits than its factorization.
139953283 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27905 (or 27834 counting only the distinct ones).
The product of its digits is 174960, while the sum is 43.
The square root of 139953283 is about 11830.1852479156.
The cubic root of 139953283 is about 519.1916471532.
The spelling of 139953283 in words is "one hundred thirty-nine million, nine hundred fifty-three thousand, two hundred eighty-three".