135550401040049 has 2 divisors, whose sum is σ = 135550401040050. Its totient is φ = 135550401040048.

The previous prime is 135550401040031. The next prime is 135550401040097. The reversal of 135550401040049 is 940040104055531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94600230850225 + 40950170189824 = 9726265^2 + 6399232^2 .

It is a cyclic number.

It is not a de Polignac number, because 135550401040049 - 2¹² = 135550401035953 is a prime.

It is a super-2 number, since 2×135550401040049² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 135550401039988 and 135550401040015.

It is not a weakly prime, because it can be changed into another prime (135550401040099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67775200520024 + 67775200520025.

It is an arithmetic number, because the mean of its divisors is an integer number (67775200520025).

Almost surely, 2^{135550401040049} is an apocalyptic number.

It is an amenable number.

135550401040049 is a deficient number, since it is larger than the sum of its proper divisors (1).

135550401040049 is an equidigital number, since it uses as much as digits as its factorization.

135550401040049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 135550401040049 in words is "one hundred thirty-five trillion, five hundred fifty billion, four hundred one million, forty thousand, forty-nine".