90138281937403 has 8 divisors (see below), whose sum is σ = 103104679956480. Its totient is φ = 77194259068200.

The previous prime is 90138281937377. The next prime is 90138281937413. The reversal of 90138281937403 is 30473918283109.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90138281937403 - 2⁵ = 90138281937371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90138281937413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5593778833 + ... + 5593794946.

It is an arithmetic number, because the mean of its divisors is an integer number (12888084994560).

Almost surely, 2^{90138281937403} is an apocalyptic number.

90138281937403 is a deficient number, since it is larger than the sum of its proper divisors (12966398019077).

90138281937403 is a wasteful number, since it uses less digits than its factorization.

90138281937403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11187574937.

The product of its (nonzero) digits is 7838208, while the sum is 58.

The spelling of 90138281937403 in words is "ninety trillion, one hundred thirty-eight billion, two hundred eighty-one million, nine hundred thirty-seven thousand, four hundred three".