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136712140 = 22531321839
BaseRepresentation
bin10000010011000…
…00111111001100
3100112020200210121
420021200333030
5234444242030
621322114324
73250014445
oct1011407714
9315220717
10136712140
1170196944
123994b9a4
1322428976
141422a2cc
15c00747a
hex8260fcc

136712140 has 24 divisors (see below), whose sum is σ = 288025920. Its totient is φ = 54507648.

The previous prime is 136712123. The next prime is 136712153. The reversal of 136712140 is 41217631.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4660 + ... + 17179.

It is an arithmetic number, because the mean of its divisors is an integer number (12001080).

Almost surely, 2136712140 is an apocalyptic number.

136712140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136712140 is an abundant number, since it is smaller than the sum of its proper divisors (151313780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136712140 is a wasteful number, since it uses less digits than its factorization.

136712140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22161 (or 22159 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 136712140 is about 11692.3966747626. The cubic root of 136712140 is about 515.1523601112.

Adding to 136712140 its reverse (41217631), we get a palindrome (177929771).

The spelling of 136712140 in words is "one hundred thirty-six million, seven hundred twelve thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 313 626 1252 1565 3130 6260 21839 43678 87356 109195 218390 436780 6835607 13671214 27342428 34178035 68356070 136712140