135967049 has 2 divisors, whose sum is σ = 135967050. Its totient is φ = 135967048.

The previous prime is 135967043. The next prime is 135967063. The reversal of 135967049 is 940769531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135955600 + 11449 = 11660^2 + 107^2 .

It is a cyclic number.

It is not a de Polignac number, because 135967049 - 2⁴ = 135967033 is a prime.

It is a plaindrome in base 13.

It is not a weakly prime, because it can be changed into another prime (135967043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67983524 + 67983525.

It is an arithmetic number, because the mean of its divisors is an integer number (67983525).

Almost surely, 2^135967049 is an apocalyptic number.

It is an amenable number.

135967049 is a deficient number, since it is larger than the sum of its proper divisors (1).

135967049 is an equidigital number, since it uses as much as digits as its factorization.

135967049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 135967049 is about 11660.4909416371. The cubic root of 135967049 is about 514.2147822771.

The spelling of 135967049 in words is "one hundred thirty-five million, nine hundred sixty-seven thousand, forty-nine".