135477841 has 2 divisors, whose sum is σ = 135477842. Its totient is φ = 135477840.

The previous prime is 135477833. The next prime is 135477851. The reversal of 135477841 is 148774531.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132917841 + 2560000 = 11529^2 + 1600^2 .

It is a cyclic number.

It is not a de Polignac number, because 135477841 - 2³ = 135477833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135477794 and 135477803.

It is not a weakly prime, because it can be changed into another prime (135477851) 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, 67738920 + 67738921.

It is an arithmetic number, because the mean of its divisors is an integer number (67738921).

Almost surely, 2^135477841 is an apocalyptic number.

It is an amenable number.

135477841 is a deficient number, since it is larger than the sum of its proper divisors (1).

135477841 is an equidigital number, since it uses as much as digits as its factorization.

135477841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94080, while the sum is 40.

The square root of 135477841 is about 11639.4948773561. The cubic root of 135477841 is about 513.5973280420.

The spelling of 135477841 in words is "one hundred thirty-five million, four hundred seventy-seven thousand, eight hundred forty-one".