135361001 has 2 divisors, whose sum is σ = 135361002. Its totient is φ = 135361000.

The previous prime is 135360989. The next prime is 135361043. The reversal of 135361001 is 100163531.

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., 134003776 + 1357225 = 11576^2 + 1165^2 .

It is a cyclic number.

It is not a de Polignac number, because 135361001 - 2⁶ = 135360937 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (135361091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67680500 + 67680501.

It is an arithmetic number, because the mean of its divisors is an integer number (67680501).

Almost surely, 2^135361001 is an apocalyptic number.

It is an amenable number.

135361001 is a deficient number, since it is larger than the sum of its proper divisors (1).

135361001 is an equidigital number, since it uses as much as digits as its factorization.

135361001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 135361001 is about 11634.4746765808. The cubic root of 135361001 is about 513.4496385239.

The spelling of 135361001 in words is "one hundred thirty-five million, three hundred sixty-one thousand, one".