135500431101420 has 192 divisors, whose sum is σ = 473694476516352. Its totient is φ = 28115767680000.

The previous prime is 135500431101407. The next prime is 135500431101463. The reversal of 135500431101420 is 24101134005531.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 17680851 + ... + 24158090.

It is an arithmetic number, because the mean of its divisors is an integer number (2467158731856).

Almost surely, 2^{135500431101420} is an apocalyptic number.

135500431101420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135500431101420 is an abundant number, since it is smaller than the sum of its proper divisors (338194045414932).

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

135500431101420 is a wasteful number, since it uses less digits than its factorization.

135500431101420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41839672 (or 41839670 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 135500431101420 its reverse (24101134005531), we get a palindrome (159601565106951).

The spelling of 135500431101420 in words is "one hundred thirty-five trillion, five hundred billion, four hundred thirty-one million, one hundred one thousand, four hundred twenty".