135222421565650 has 24 divisors (see below), whose sum is σ = 254697421893120. Its totient is φ = 53404298135760.

The previous prime is 135222421565641. The next prime is 135222421565657. The reversal of 135222421565650 is 56565124222531.

It is a junction number, because it is equal to n+sod(n) for n = 135222421565594 and 135222421565603.

It is not an unprimeable number, because it can be changed into a prime (135222421565657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17116758274 + ... + 17116766173.

It is an arithmetic number, because the mean of its divisors is an integer number (10612392578880).

Almost surely, 2^{135222421565650} is an apocalyptic number.

135222421565650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135222421565650 is a deficient number, since it is larger than the sum of its proper divisors (119475000327470).

135222421565650 is a wasteful number, since it uses less digits than its factorization.

135222421565650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34233524538 (or 34233524533 counting only the distinct ones).

The product of its (nonzero) digits is 4320000, while the sum is 49.

The spelling of 135222421565650 in words is "one hundred thirty-five trillion, two hundred twenty-two billion, four hundred twenty-one million, five hundred sixty-five thousand, six hundred fifty".