90730491302136 has 64 divisors (see below), whose sum is σ = 259237456185600. Its totient is φ = 25922249411328.

The previous prime is 90730491302071. The next prime is 90730491302137. The reversal of 90730491302136 is 63120319403709.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90730491302137) 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, 1940910 + ... + 13609853.

It is an arithmetic number, because the mean of its divisors is an integer number (4050585252900).

Almost surely, 2^{90730491302136} is an apocalyptic number.

It is an amenable number.

90730491302136 is an abundant number, since it is smaller than the sum of its proper divisors (168506964883464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90730491302136 is a wasteful number, since it uses less digits than its factorization.

90730491302136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15585508 (or 15585504 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 48.

The spelling of 90730491302136 in words is "ninety trillion, seven hundred thirty billion, four hundred ninety-one million, three hundred two thousand, one hundred thirty-six".