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136796431 is a prime number
BaseRepresentation
bin10000010011101…
…01100100001111
3100112101222102111
420021311210033
5240004441211
621324004451
73250515262
oct1011654417
9315358374
10136796431
1170244202
1239990727
1322458145
141424ccd9
15c022421
hex827590f

136796431 has 2 divisors, whose sum is σ = 136796432. Its totient is φ = 136796430.

The previous prime is 136796419. The next prime is 136796441. The reversal of 136796431 is 134697631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136796431 - 215 = 136763663 is a prime.

It is a super-2 number, since 2×1367964312 = 37426527068675522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136796441) 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 as a sum of consecutive naturals, namely, 68398215 + 68398216.

It is an arithmetic number, because the mean of its divisors is an integer number (68398216).

Almost surely, 2136796431 is an apocalyptic number.

136796431 is a deficient number, since it is larger than the sum of its proper divisors (1).

136796431 is an equidigital number, since it uses as much as digits as its factorization.

136796431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 40.

The square root of 136796431 is about 11696.0006412449. Note that the first 3 decimals coincide. The cubic root of 136796431 is about 515.2582121748.

The spelling of 136796431 in words is "one hundred thirty-six million, seven hundred ninety-six thousand, four hundred thirty-one".