139823101 has 8 divisors (see below), whose sum is σ = 153507744. Its totient is φ = 126300720.

The previous prime is 139823053. The next prime is 139823107. The reversal of 139823101 is 101328931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 139823101 - 2¹⁵ = 139790333 is a prime.

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 139823101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139823107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38755 + ... + 42208.

It is an arithmetic number, because the mean of its divisors is an integer number (19188468).

Almost surely, 2^139823101 is an apocalyptic number.

139823101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

139823101 is a deficient number, since it is larger than the sum of its proper divisors (13684643).

139823101 is a wasteful number, since it uses less digits than its factorization.

139823101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81131.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 139823101 is about 11824.6818561854. The cubic root of 139823101 is about 519.0306163358.

The spelling of 139823101 in words is "one hundred thirty-nine million, eight hundred twenty-three thousand, one hundred one".