139792 has 10 divisors (see below), whose sum is σ = 270878. Its totient is φ = 69888.
The previous prime is 139787. The next prime is 139801. The reversal of 139792 is 297931.
It can be written as a sum of positive squares in only one way, i.e., 112896 + 26896 = 336^2 + 164^2 .
It is a nialpdrome in base 16.
It is an unprimeable number.
139792 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4353 + ... + 4384.
2139792 is an apocalyptic number.
It is an amenable number.
139792 is a deficient number, since it is larger than the sum of its proper divisors (131086).
139792 is an equidigital number, since it uses as much as digits as its factorization.
139792 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8745 (or 8739 counting only the distinct ones).
The product of its digits is 3402, while the sum is 31.
The square root of 139792 is about 373.8876836698. The cubic root of 139792 is about 51.8992130640.
It can be divided in two parts, 1 and 39792, that added together give a palindrome (39793).
The spelling of 139792 in words is "one hundred thirty-nine thousand, seven hundred ninety-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.088 sec. • engine limits •