139696 has 10 divisors (see below), whose sum is σ = 270692. Its totient is φ = 69840.

The previous prime is 139681. The next prime is 139697. The reversal of 139696 is 696931.

It is not an unprimeable number, because it can be changed into a prime (139697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4350 + ... + 4381.

2¹³⁹⁶⁹⁶ is an apocalyptic number.

139696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

139696 is a deficient number, since it is larger than the sum of its proper divisors (130996).

139696 is an equidigital number, since it uses as much as digits as its factorization.

139696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8739 (or 8733 counting only the distinct ones).

The product of its digits is 8748, while the sum is 34.

The square root of 139696 is about 373.7592808212. The cubic root of 139696 is about 51.8873300153.

The spelling of 139696 in words is "one hundred thirty-nine thousand, six hundred ninety-six".