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136752131 = 178044243
BaseRepresentation
bin10000010011010…
…10110000000011
3100112022201122202
420021222300003
5240002032011
621323023415
73250242155
oct1011526003
9315281582
10136752131
117021399a
123996ab6b
1322440c29
141423aad5
15c01423b
hex826ac03

136752131 has 4 divisors (see below), whose sum is σ = 144796392. Its totient is φ = 128707872.

The previous prime is 136752113. The next prime is 136752151. The reversal of 136752131 is 131257631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131257631 = 791661489.

It is a cyclic number.

It is not a de Polignac number, because 136752131 - 210 = 136751107 is a prime.

It is a super-2 number, since 2×1367521312 = 37402290666082322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136752094 and 136752103.

It is not an unprimeable number, because it can be changed into a prime (136752151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4022105 + ... + 4022138.

It is an arithmetic number, because the mean of its divisors is an integer number (36199098).

Almost surely, 2136752131 is an apocalyptic number.

136752131 is a deficient number, since it is larger than the sum of its proper divisors (8044261).

136752131 is an equidigital number, since it uses as much as digits as its factorization.

136752131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8044260.

The product of its digits is 3780, while the sum is 29.

The square root of 136752131 is about 11694.1066781520. The cubic root of 136752131 is about 515.2025859594.

The spelling of 136752131 in words is "one hundred thirty-six million, seven hundred fifty-two thousand, one hundred thirty-one".

Divisors: 1 17 8044243 136752131