135398255304441 has 32 divisors (see below), whose sum is σ = 190134434744320. Its totient is φ = 85623222484800.

The previous prime is 135398255304439. The next prime is 135398255304479. The reversal of 135398255304441 is 144403552893531.

It is a happy number.

It is not a de Polignac number, because 135398255304441 - 2¹ = 135398255304439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135398255306441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108280495 + ... + 109523796.

It is an arithmetic number, because the mean of its divisors is an integer number (5941701085760).

Almost surely, 2^{135398255304441} is an apocalyptic number.

It is an amenable number.

135398255304441 is a deficient number, since it is larger than the sum of its proper divisors (54736179439879).

135398255304441 is a wasteful number, since it uses less digits than its factorization.

135398255304441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217804477.

The product of its (nonzero) digits is 31104000, while the sum is 57.

The spelling of 135398255304441 in words is "one hundred thirty-five trillion, three hundred ninety-eight billion, two hundred fifty-five million, three hundred four thousand, four hundred forty-one".