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136712145 = 3559179863
BaseRepresentation
bin10000010011000…
…00111111010001
3100112020200210210
420021200333101
5234444242040
621322114333
73250014453
oct1011407721
9315220723
10136712145
1170196949
123994b9a9
132242897b
141422a2d3
15c007480
hex8260fd1

136712145 has 32 divisors (see below), whose sum is σ = 223948800. Its totient is φ = 71194304.

The previous prime is 136712123. The next prime is 136712153. The reversal of 136712145 is 541217631.

It is a cyclic number.

It is not a de Polignac number, because 136712145 - 211 = 136710097 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 157984 + ... + 158846.

It is an arithmetic number, because the mean of its divisors is an integer number (6998400).

Almost surely, 2136712145 is an apocalyptic number.

136712145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136712145 is a deficient number, since it is larger than the sum of its proper divisors (87236655).

136712145 is a wasteful number, since it uses less digits than its factorization.

136712145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109.

The product of its digits is 5040, while the sum is 30.

The square root of 136712145 is about 11692.3968885768. The cubic root of 136712145 is about 515.1523663914.

Adding to 136712145 its reverse (541217631), we get a palindrome (677929776).

The spelling of 136712145 in words is "one hundred thirty-six million, seven hundred twelve thousand, one hundred forty-five".

Divisors: 1 3 5 15 59 177 179 295 537 863 885 895 2589 2685 4315 10561 12945 31683 50917 52805 152751 154477 158415 254585 463431 763755 772385 2317155 9114143 27342429 45570715 136712145