135550401021350 has 48 divisors (see below), whose sum is σ = 288172618272000. Its totient is φ = 46469391854880.

The previous prime is 135550401021257. The next prime is 135550401021377. The reversal of 135550401021350 is 53120104055531.

It is a super-2 number, since 2×135550401021350² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 135550401021350.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17725700 + ... + 24192999.

It is an arithmetic number, because the mean of its divisors is an integer number (6003596214000).

Almost surely, 2^{135550401021350} is an apocalyptic number.

135550401021350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135550401021350 is an abundant number, since it is smaller than the sum of its proper divisors (152622217250650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135550401021350 is a wasteful number, since it uses less digits than its factorization.

135550401021350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41927957 (or 41927952 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 35.

Adding to 135550401021350 its reverse (53120104055531), we get a palindrome (188670505076881).

The spelling of 135550401021350 in words is "one hundred thirty-five trillion, five hundred fifty billion, four hundred one million, twenty-one thousand, three hundred fifty".