135621605150003 has 24 divisors (see below), whose sum is σ = 162035043679488. Its totient is φ = 111188090127312.

The previous prime is 135621605149991. The next prime is 135621605150027. The reversal of 135621605150003 is 300051506126531.

It is not a de Polignac number, because 135621605150003 - 2¹⁸ = 135621604887859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135621605150063) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86700776 + ... + 88251162.

It is an arithmetic number, because the mean of its divisors is an integer number (6751460153312).

Almost surely, 2^{135621605150003} is an apocalyptic number.

135621605150003 is a deficient number, since it is larger than the sum of its proper divisors (26413438529485).

135621605150003 is a wasteful number, since it uses less digits than its factorization.

135621605150003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574063 (or 1574040 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 38.

The spelling of 135621605150003 in words is "one hundred thirty-five trillion, six hundred twenty-one billion, six hundred five million, one hundred fifty thousand, three".