90703835138 has 64 divisors (see below), whose sum is σ = 172892994048. Its totient is φ = 34772474880.

The previous prime is 90703835119. The next prime is 90703835147. The reversal of 90703835138 is 83153830709.

It is a junction number, because it is equal to n+sod(n) for n = 90703835092 and 90703835101.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 806648 + ... + 912188.

It is an arithmetic number, because the mean of its divisors is an integer number (2701453032).

Almost surely, 2^90703835138 is an apocalyptic number.

90703835138 is a deficient number, since it is larger than the sum of its proper divisors (82189158910).

90703835138 is a wasteful number, since it uses less digits than its factorization.

90703835138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105747.

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 90703835138 in words is "ninety billion, seven hundred three million, eight hundred thirty-five thousand, one hundred thirty-eight".