135041561371 has 2 divisors, whose sum is σ = 135041561372. Its totient is φ = 135041561370.

The previous prime is 135041561353. The next prime is 135041561399. The reversal of 135041561371 is 173165140531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135041561371 - 2¹⁵ = 135041528603 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135041561371.

It is not a weakly prime, because it can be changed into another prime (135041561341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67520780685 + 67520780686.

It is an arithmetic number, because the mean of its divisors is an integer number (67520780686).

Almost surely, 2^135041561371 is an apocalyptic number.

135041561371 is a deficient number, since it is larger than the sum of its proper divisors (1).

135041561371 is an equidigital number, since it uses as much as digits as its factorization.

135041561371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 37.

The spelling of 135041561371 in words is "one hundred thirty-five billion, forty-one million, five hundred sixty-one thousand, three hundred seventy-one".