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136918475 = 5231241139
BaseRepresentation
bin10000010100100…
…11010111001011
3100112122011211122
420022103113023
5240022342400
621330345455
73251534141
oct1012232713
9315564748
10136918475
1170317971
1239a2b28b
132249b865
1414281591
15c048685
hex82935cb

136918475 has 36 divisors (see below), whose sum is σ = 181004040. Its totient is φ = 102672000.

The previous prime is 136918447. The next prime is 136918477. The reversal of 136918475 is 574819631.

It is not a de Polignac number, because 136918475 - 216 = 136852939 is a prime.

Its product of digits (181440) is a multiple of the sum of its prime divisors (216).

It is not an unprimeable number, because it can be changed into a prime (136918477) 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 35 ways as a sum of consecutive naturals, for example, 984956 + ... + 985094.

It is an arithmetic number, because the mean of its divisors is an integer number (5027890).

Almost surely, 2136918475 is an apocalyptic number.

136918475 is a deficient number, since it is larger than the sum of its proper divisors (44085565).

136918475 is a wasteful number, since it uses less digits than its factorization.

136918475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252 (or 216 counting only the distinct ones).

The product of its digits is 181440, while the sum is 44.

The square root of 136918475 is about 11701.2168170665. The cubic root of 136918475 is about 515.4113971694.

The spelling of 136918475 in words is "one hundred thirty-six million, nine hundred eighteen thousand, four hundred seventy-five".

Divisors: 1 5 25 31 41 139 155 205 695 775 961 1025 1271 3475 4309 4805 5699 6355 21545 24025 28495 31775 39401 107725 133579 142475 176669 197005 667895 883345 985025 3339475 4416725 5476739 27383695 136918475