900390205135 has 16 divisors (see below), whose sum is σ = 1153353807360. Its totient is φ = 672789710880.

The previous prime is 900390205123. The next prime is 900390205159. The reversal of 900390205135 is 531502093009.

It is not a de Polignac number, because 900390205135 - 2¹¹ = 900390203087 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 900390205094 and 900390205103.

It is a congruent 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, 66738267 + ... + 66751756.

It is an arithmetic number, because the mean of its divisors is an integer number (72084612960).

Almost surely, 2^900390205135 is an apocalyptic number.

900390205135 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

900390205135 is a deficient number, since it is larger than the sum of its proper divisors (252963602225).

900390205135 is a wasteful number, since it uses less digits than its factorization.

900390205135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133490118.

The product of its (nonzero) digits is 36450, while the sum is 37.

The spelling of 900390205135 in words is "nine hundred billion, three hundred ninety million, two hundred five thousand, one hundred thirty-five".