135620145653210 has 32 divisors (see below), whose sum is σ = 246264322472640. Its totient is φ = 53772648029568.

The previous prime is 135620145653147. The next prime is 135620145653233. The reversal of 135620145653210 is 12356541026531.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120470792 + ... + 121591331.

It is an arithmetic number, because the mean of its divisors is an integer number (7695760077270).

Almost surely, 2^{135620145653210} is an apocalyptic number.

135620145653210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135620145653210 is a deficient number, since it is larger than the sum of its proper divisors (110644176819430).

135620145653210 is a wasteful number, since it uses less digits than its factorization.

135620145653210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242062622.

The product of its (nonzero) digits is 648000, while the sum is 44.

Adding to 135620145653210 its reverse (12356541026531), we get a palindrome (147976686679741).

The spelling of 135620145653210 in words is "one hundred thirty-five trillion, six hundred twenty billion, one hundred forty-five million, six hundred fifty-three thousand, two hundred ten".