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136245413 = 8310315937
BaseRepresentation
bin10000001111011…
…11000010100101
3100111100222120102
420013233002211
5234334323123
621304113445
73243031643
oct1007570245
9314328512
10136245413
116a9a8217
1239765885
13222c43b5
1414148193
15be64028
hex81ef0a5

136245413 has 8 divisors (see below), whose sum is σ = 139234368. Its totient is φ = 133288704.

The previous prime is 136245367. The next prime is 136245427. The reversal of 136245413 is 314542631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 136245413 - 26 = 136245349 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 (136245493) 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 7 ways as a sum of consecutive naturals, for example, 581 + ... + 16517.

It is an arithmetic number, because the mean of its divisors is an integer number (17404296).

Almost surely, 2136245413 is an apocalyptic number.

It is an amenable number.

136245413 is a deficient number, since it is larger than the sum of its proper divisors (2988955).

136245413 is a wasteful number, since it uses less digits than its factorization.

136245413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16123.

The product of its digits is 8640, while the sum is 29.

The square root of 136245413 is about 11672.4210427829. The cubic root of 136245413 is about 514.5654586931.

It can be divided in two parts, 13 and 6245413, that added together give a palindrome (6245426).

The spelling of 136245413 in words is "one hundred thirty-six million, two hundred forty-five thousand, four hundred thirteen".

Divisors: 1 83 103 8549 15937 1322771 1641511 136245413