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135756157471087 is a prime number
BaseRepresentation
bin11110110111100000110001…
…100010101100100101101111
3122210200011101000210220221111
4132313200301202230211233
5120243212102303033322
61200421303501212451
740411026065005636
oct3667406142544557
9583604330726844
10135756157471087
113a28a95481160a
1213286552561127
135a9999b4384ca
1425748c125a51d
1510a64e10a8177
hex7b78318ac96f

135756157471087 has 2 divisors, whose sum is σ = 135756157471088. Its totient is φ = 135756157471086.

The previous prime is 135756157471049. The next prime is 135756157471219. The reversal of 135756157471087 is 780174751657531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135756157471087 - 227 = 135756023253359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135756157472087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67878078735543 + 67878078735544.

It is an arithmetic number, because the mean of its divisors is an integer number (67878078735544).

Almost surely, 2135756157471087 is an apocalyptic number.

135756157471087 is a deficient number, since it is larger than the sum of its proper divisors (1).

135756157471087 is an equidigital number, since it uses as much as digits as its factorization.

135756157471087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172872000, while the sum is 67.

The spelling of 135756157471087 in words is "one hundred thirty-five trillion, seven hundred fifty-six billion, one hundred fifty-seven million, four hundred seventy-one thousand, eighty-seven".