135531422404155 has 64 divisors (see below), whose sum is σ = 245545261056000. Its totient is φ = 70903876507776.

The previous prime is 135531422404141. The next prime is 135531422404277. The reversal of 135531422404155 is 551404224135531.

135531422404155 is a `hidden beast` number, since 1 + 3 + 5 + 5 + 3 + 1 + 4 + 224 + 0 + 415 + 5 = 666.

It is not a de Polignac number, because 135531422404155 - 2¹⁴ = 135531422387771 is a prime.

It is a super-2 number, since 2×135531422404155² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 135531422404155.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 30237606 + ... + 34429284.

It is an arithmetic number, because the mean of its divisors is an integer number (3836644704000).

Almost surely, 2^{135531422404155} is an apocalyptic number.

135531422404155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135531422404155 is a deficient number, since it is larger than the sum of its proper divisors (110013838651845).

135531422404155 is a wasteful number, since it uses less digits than its factorization.

135531422404155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4196265 (or 4196259 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 45.

Adding to 135531422404155 its reverse (551404224135531), we get a palindrome (686935646539686).

The spelling of 135531422404155 in words is "one hundred thirty-five trillion, five hundred thirty-one billion, four hundred twenty-two million, four hundred four thousand, one hundred fifty-five".