135421030145211 has 16 divisors (see below), whose sum is σ = 180874563577344. Its totient is φ = 90124144387904.

The previous prime is 135421030145173. The next prime is 135421030145213. The reversal of 135421030145211 is 112541030124531.

It is a cyclic number.

It is not a de Polignac number, because 135421030145211 - 2¹⁴ = 135421030128827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135421030145213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3714895 + ... + 16871351.

It is an arithmetic number, because the mean of its divisors is an integer number (11304660223584).

Almost surely, 2^{135421030145211} is an apocalyptic number.

135421030145211 is a deficient number, since it is larger than the sum of its proper divisors (45453533432133).

135421030145211 is a wasteful number, since it uses less digits than its factorization.

135421030145211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13162410.

The product of its (nonzero) digits is 14400, while the sum is 33.

Adding to 135421030145211 its reverse (112541030124531), we get a palindrome (247962060269742).

The spelling of 135421030145211 in words is "one hundred thirty-five trillion, four hundred twenty-one billion, thirty million, one hundred forty-five thousand, two hundred eleven".