90135501926398 has 8 divisors (see below), whose sum is σ = 135579863622960. Its totient is φ = 44942214052080.

The previous prime is 90135501926389. The next prime is 90135501926401. The reversal of 90135501926398 is 89362910553109.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62768454663 + ... + 62768456098.

It is an arithmetic number, because the mean of its divisors is an integer number (16947482952870).

Almost surely, 2^{90135501926398} is an apocalyptic number.

90135501926398 is a deficient number, since it is larger than the sum of its proper divisors (45444361696562).

90135501926398 is a wasteful number, since it uses less digits than its factorization.

90135501926398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125536911122.

The product of its (nonzero) digits is 15746400, while the sum is 61.

The spelling of 90135501926398 in words is "ninety trillion, one hundred thirty-five billion, five hundred one million, nine hundred twenty-six thousand, three hundred ninety-eight".