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139715125 = 5311101611
BaseRepresentation
bin10000101001111…
…10001000110101
3100201220021010021
420110332020311
5241231341000
621510325141
73314362504
oct1024761065
9321807107
10139715125
1171958050
123a9597b1
1322c3a794
14147ac83b
15c3ec11a
hex853e235

139715125 has 16 divisors (see below), whose sum is σ = 190217664. Its totient is φ = 101610000.

The previous prime is 139715123. The next prime is 139715141. The reversal of 139715125 is 521517931.

It is not a de Polignac number, because 139715125 - 21 = 139715123 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 (139715123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49431 + ... + 52180.

It is an arithmetic number, because the mean of its divisors is an integer number (11888604).

Almost surely, 2139715125 is an apocalyptic number.

It is an amenable number.

139715125 is a deficient number, since it is larger than the sum of its proper divisors (50502539).

139715125 is a wasteful number, since it uses less digits than its factorization.

139715125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101637 (or 101627 counting only the distinct ones).

The product of its digits is 9450, while the sum is 34.

The square root of 139715125 is about 11820.1152701655. The cubic root of 139715125 is about 518.8969777557.

The spelling of 139715125 in words is "one hundred thirty-nine million, seven hundred fifteen thousand, one hundred twenty-five".

Divisors: 1 5 11 25 55 125 275 1375 101611 508055 1117721 2540275 5588605 12701375 27943025 139715125