135423510144002 has 8 divisors (see below), whose sum is σ = 203868605524476. Its totient is φ = 67467308302512.

The previous prime is 135423510143993. The next prime is 135423510144007. The reversal of 135423510144002 is 200441015324531.

It can be written as a sum of positive squares in 2 ways, for example, as 134130470523841 + 1293039620161 = 11581471^2 + 1137119^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×135423510144002² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (135423510144007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122223384053 + ... + 122223385160.

Almost surely, 2^{135423510144002} is an apocalyptic number.

135423510144002 is a deficient number, since it is larger than the sum of its proper divisors (68445095380474).

135423510144002 is a wasteful number, since it uses less digits than its factorization.

135423510144002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244446769492.

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 135423510144002 its reverse (200441015324531), we get a palindrome (335864525468533).

The spelling of 135423510144002 in words is "one hundred thirty-five trillion, four hundred twenty-three billion, five hundred ten million, one hundred forty-four thousand, two".