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139153 = 7103193
BaseRepresentation
bin100001111110010001
321001212211
4201332101
513423103
62552121
71116460
oct417621
9231784
10139153
1195603
1268641
134b451
14389d7
152b36d
hex21f91

139153 has 8 divisors (see below), whose sum is σ = 161408. Its totient is φ = 117504.

The previous prime is 139133. The next prime is 139169. The reversal of 139153 is 351931.

139153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 139153 - 25 = 139121 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139123) 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, 625 + ... + 817.

It is an arithmetic number, because the mean of its divisors is an integer number (20176).

2139153 is an apocalyptic number.

It is an amenable number.

139153 is a deficient number, since it is larger than the sum of its proper divisors (22255).

139153 is a wasteful number, since it uses less digits than its factorization.

139153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303.

The product of its digits is 405, while the sum is 22.

The square root of 139153 is about 373.0321701945. The cubic root of 139153 is about 51.8200138323.

It can be divided in two parts, 1391 and 53, that added together give a square (1444 = 382).

The spelling of 139153 in words is "one hundred thirty-nine thousand, one hundred fifty-three".

Divisors: 1 7 103 193 721 1351 19879 139153