135240222243320 has 32 divisors (see below), whose sum is σ = 307244776756320. Its totient is φ = 53570884149120.

The previous prime is 135240222243293. The next prime is 135240222243341. The reversal of 135240222243320 is 23342222042531.

It is a happy 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, 16412644211 + ... + 16412652450.

It is an arithmetic number, because the mean of its divisors is an integer number (9601399273635).

Almost surely, 2^{135240222243320} is an apocalyptic number.

135240222243320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135240222243320 is an abundant number, since it is smaller than the sum of its proper divisors (172004554513000).

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

135240222243320 is a wasteful number, since it uses less digits than its factorization.

135240222243320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32825296775 (or 32825296771 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 35.

Adding to 135240222243320 its reverse (23342222042531), we get a palindrome (158582444285851).

The spelling of 135240222243320 in words is "one hundred thirty-five trillion, two hundred forty billion, two hundred twenty-two million, two hundred forty-three thousand, three hundred twenty".