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136555151 = 257531343
BaseRepresentation
bin10000010001110…
…10101010001111
3100111221201110012
420020322222033
5234424231101
621314503435
73245461655
oct1010725217
9314851405
10136555151
11700999a7
1239894b7b
13223a2385
14141c8dd5
15bec5bbb
hex823aa8f

136555151 has 4 divisors (see below), whose sum is σ = 137086752. Its totient is φ = 136023552.

The previous prime is 136555019. The next prime is 136555157. The reversal of 136555151 is 151555631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 151555631 = 195177681.

It is a cyclic number.

It is not a de Polignac number, because 136555151 - 214 = 136538767 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 (136555157) 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 3 ways as a sum of consecutive naturals, for example, 265415 + ... + 265928.

It is an arithmetic number, because the mean of its divisors is an integer number (34271688).

Almost surely, 2136555151 is an apocalyptic number.

136555151 is a deficient number, since it is larger than the sum of its proper divisors (531601).

136555151 is an equidigital number, since it uses as much as digits as its factorization.

136555151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531600.

The product of its digits is 11250, while the sum is 32.

The square root of 136555151 is about 11685.6814521020. The cubic root of 136555151 is about 514.9550983569.

The spelling of 136555151 in words is "one hundred thirty-six million, five hundred fifty-five thousand, one hundred fifty-one".

Divisors: 1 257 531343 136555151