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136538713 = 1747170887
BaseRepresentation
bin10000010001101…
…10101001011001
3100111220212220101
420020312221121
5234423214323
621314255401
73245363023
oct1010665131
9314825811
10136538713
1170088613
1239887561
1322397a4c
14141c3013
15bec0dad
hex8236a59

136538713 has 8 divisors (see below), whose sum is σ = 147647232. Its totient is φ = 125772096.

The previous prime is 136538711. The next prime is 136538719. The reversal of 136538713 is 317835631.

It is a happy number.

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 136538713 - 21 = 136538711 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136538711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84645 + ... + 86242.

It is an arithmetic number, because the mean of its divisors is an integer number (18455904).

Almost surely, 2136538713 is an apocalyptic number.

It is an amenable number.

136538713 is a deficient number, since it is larger than the sum of its proper divisors (11108519).

136538713 is a wasteful number, since it uses less digits than its factorization.

136538713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170951.

The product of its digits is 45360, while the sum is 37.

The square root of 136538713 is about 11684.9780915499. The cubic root of 136538713 is about 514.9344347361.

It can be divided in two parts, 13653 and 8713, that added together give a triangular number (22366 = T211).

The spelling of 136538713 in words is "one hundred thirty-six million, five hundred thirty-eight thousand, seven hundred thirteen".

Divisors: 1 17 47 799 170887 2905079 8031689 136538713