90141814109 has 8 divisors (see below), whose sum is σ = 91043406432. Its totient is φ = 89240400400.

The previous prime is 90141814073. The next prime is 90141814129.

It is a happy number.

90141814109 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90141814109 is a prime.

It is a super-2 number, since 2×90141814109² (a number of 23 digits) contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90141814129) 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, 1120922 + ... + 1198644.

It is an arithmetic number, because the mean of its divisors is an integer number (11380425804).

Almost surely, 2^90141814109 is an apocalyptic number.

It is an amenable number.

90141814109 is a deficient number, since it is larger than the sum of its proper divisors (901592323).

90141814109 is a wasteful number, since it uses less digits than its factorization.

90141814109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89307.

The product of its (nonzero) digits is 10368, while the sum is 38.

The spelling of 90141814109 in words is "ninety billion, one hundred forty-one million, eight hundred fourteen thousand, one hundred nine".