139592101 has 16 divisors (see below), whose sum is σ = 158294016. Its totient is φ = 121950000.

The previous prime is 139592041. The next prime is 139592111. The reversal of 139592101 is 101295931.

It is a happy number.

It is a 3-Lehmer number, since φ(139592101) divides (139592101-1)³.

It is a cyclic number.

It is a Carmichael number.

It is not a de Polignac number, because 139592101 - 2²¹ = 137494949 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a deceptive number, since it divides R_139592100.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139592111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50136 + ... + 52846.

It is an arithmetic number, because the mean of its divisors is an integer number (9893376).

It is a Poulet number, since it divides 2^139592100-1.

Almost surely, 2^139592101 is an apocalyptic number.

139592101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

139592101 is a deficient number, since it is larger than the sum of its proper divisors (18701915).

139592101 is a wasteful number, since it uses less digits than its factorization.

139592101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2904.

The product of its (nonzero) digits is 2430, while the sum is 31.

The square root of 139592101 is about 11814.9101139196. The cubic root of 139592101 is about 518.7446307859.

The spelling of 139592101 in words is "one hundred thirty-nine million, five hundred ninety-two thousand, one hundred one".