135220002236403 has 96 divisors (see below), whose sum is σ = 221079045058560. Its totient is φ = 71936832360960.

The previous prime is 135220002236399. The next prime is 135220002236537. The reversal of 135220002236403 is 304632200022531.

It is not a de Polignac number, because 135220002236403 - 2² = 135220002236399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135220002235403) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 151209193 + ... + 152100821.

It is an arithmetic number, because the mean of its divisors is an integer number (2302906719360).

Almost surely, 2^{135220002236403} is an apocalyptic number.

135220002236403 is a deficient number, since it is larger than the sum of its proper divisors (85859042822157).

135220002236403 is a wasteful number, since it uses less digits than its factorization.

135220002236403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892005 (or 891976 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 33.

Adding to 135220002236403 its reverse (304632200022531), we get a palindrome (439852202258934).

The spelling of 135220002236403 in words is "one hundred thirty-five trillion, two hundred twenty billion, two million, two hundred thirty-six thousand, four hundred three".