100739 has 4 divisors (see below), whose sum is σ = 101640. Its totient is φ = 99840.

The previous prime is 100733. The next prime is 100741. The reversal of 100739 is 937001.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 937001 = 13 ⋅72077.

It is a cyclic number.

It is not a de Polignac number, because 100739 - 2⁸ = 100483 is a prime.

It is a super-2 number, since 2×100739² = 20296692242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100739.

It is not an unprimeable number, because it can be changed into a prime (100733) 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 in 3 ways as a sum of consecutive naturals, for example, 254 + ... + 515.

It is an arithmetic number, because the mean of its divisors is an integer number (25410).

2¹⁰⁰⁷³⁹ is an apocalyptic number.

100739 is a deficient number, since it is larger than the sum of its proper divisors (901).

100739 is an equidigital number, since it uses as much as digits as its factorization.

100739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900.

The product of its (nonzero) digits is 189, while the sum is 20.

The square root of 100739 is about 317.3940768193. The cubic root of 100739 is about 46.5299456396.

The spelling of 100739 in words is "one hundred thousand, seven hundred thirty-nine".