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136472141 = 1317617521
BaseRepresentation
bin10000010001001…
…10011001001101
3100111210111120202
420020212121031
5234414102031
621313023245
73244664651
oct1010463115
9314714522
10136472141
11700425a3
1239854b25
1322373660
14141a6a61
15beab2cb
hex822664d

136472141 has 8 divisors (see below), whose sum is σ = 155615544. Its totient is φ = 118563840.

The previous prime is 136472131. The next prime is 136472201. The reversal of 136472141 is 141274631.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 55562116 + 80910025 = 7454^2 + 8995^2 .

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 136472141 - 226 = 69363277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136472101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308540 + ... + 308981.

It is an arithmetic number, because the mean of its divisors is an integer number (19451943).

Almost surely, 2136472141 is an apocalyptic number.

It is an amenable number.

136472141 is a deficient number, since it is larger than the sum of its proper divisors (19143403).

136472141 is a wasteful number, since it uses less digits than its factorization.

136472141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617551.

The product of its digits is 4032, while the sum is 29.

The square root of 136472141 is about 11682.1291295722. The cubic root of 136472141 is about 514.8507324969.

The spelling of 136472141 in words is "one hundred thirty-six million, four hundred seventy-two thousand, one hundred forty-one".

Divisors: 1 13 17 221 617521 8027773 10497857 136472141