135563137 has 2 divisors, whose sum is σ = 135563138. Its totient is φ = 135563136.

The previous prime is 135563101. The next prime is 135563147. The reversal of 135563137 is 731365531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109746576 + 25816561 = 10476^2 + 5081^2 .

It is a cyclic number.

It is not a de Polignac number, because 135563137 - 2⁷ = 135563009 is a prime.

It is a super-2 number, since 2×135563137² = 36754728226561538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (135563147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67781568 + 67781569.

It is an arithmetic number, because the mean of its divisors is an integer number (67781569).

Almost surely, 2^135563137 is an apocalyptic number.

It is an amenable number.

135563137 is a deficient number, since it is larger than the sum of its proper divisors (1).

135563137 is an equidigital number, since it uses as much as digits as its factorization.

135563137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28350, while the sum is 34.

The square root of 135563137 is about 11643.1583773476. The cubic root of 135563137 is about 513.7050913162.

The spelling of 135563137 in words is "one hundred thirty-five million, five hundred sixty-three thousand, one hundred thirty-seven".