135420400105102 has 16 divisors (see below), whose sum is σ = 236886997269600. Its totient is φ = 58037314330464.

The previous prime is 135420400105019. The next prime is 135420400105103. The reversal of 135420400105102 is 201501004024531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135420400105103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98702914843 + ... + 98702916214.

It is an arithmetic number, because the mean of its divisors is an integer number (14805437329350).

Almost surely, 2^{135420400105102} is an apocalyptic number.

135420400105102 is a deficient number, since it is larger than the sum of its proper divisors (101466597164498).

135420400105102 is an equidigital number, since it uses as much as digits as its factorization.

135420400105102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197405831080 (or 197405831066 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 135420400105102 its reverse (201501004024531), we get a palindrome (336921404129633).

The spelling of 135420400105102 in words is "one hundred thirty-five trillion, four hundred twenty billion, four hundred million, one hundred five thousand, one hundred two".