135550401145205 has 16 divisors (see below), whose sum is σ = 166697558722800. Its totient is φ = 105751150256640.

The previous prime is 135550401145169. The next prime is 135550401145253. The reversal of 135550401145205 is 502541104055531.

It can be written as a sum of positive squares in 8 ways, for example, as 2711084092369 + 132839317052836 = 1646537^2 + 11525594^2 .

It is not a de Polignac number, because 135550401145205 - 2¹⁸ = 135550400883061 is a prime.

It is a super-2 number, since 2×135550401145205² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137899010 + ... + 138878499.

It is an arithmetic number, because the mean of its divisors is an integer number (10418597420175).

Almost surely, 2^{135550401145205} is an apocalyptic number.

It is an amenable number.

135550401145205 is a deficient number, since it is larger than the sum of its proper divisors (31147157577595).

135550401145205 is a wasteful number, since it uses less digits than its factorization.

135550401145205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276779944.

The product of its (nonzero) digits is 300000, while the sum is 41.

The spelling of 135550401145205 in words is "one hundred thirty-five trillion, five hundred fifty billion, four hundred one million, one hundred forty-five thousand, two hundred five".