135545003144125 has 8 divisors (see below), whose sum is σ = 169160163924024. Its totient is φ = 108436002515200.

The previous prime is 135545003144099. The next prime is 135545003144137. The reversal of 135545003144125 is 521441300545531.

It can be written as a sum of positive squares in 4 ways, for example, as 547490485476 + 134997512658649 = 739926^2 + 11618843^2 .

It is not a de Polignac number, because 135545003144125 - 2¹⁹ = 135545002619837 is a prime.

It is a super-2 number, since 2×135545003144125² (a number of 29 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 542180012452 + ... + 542180012701.

It is an arithmetic number, because the mean of its divisors is an integer number (21145020490503).

Almost surely, 2^{135545003144125} is an apocalyptic number.

It is an amenable number.

135545003144125 is a deficient number, since it is larger than the sum of its proper divisors (33615160779899).

135545003144125 is an equidigital number, since it uses as much as digits as its factorization.

135545003144125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084360025168 (or 1084360025158 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 43.

Adding to 135545003144125 its reverse (521441300545531), we get a palindrome (656986303689656).

The spelling of 135545003144125 in words is "one hundred thirty-five trillion, five hundred forty-five billion, three million, one hundred forty-four thousand, one hundred twenty-five".