918135743321 has 8 divisors (see below), whose sum is σ = 970468884000. Its totient is φ = 866203623360.

The previous prime is 918135743309. The next prime is 918135743383. The reversal of 918135743321 is 123347531819.

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 918135743321 - 2²² = 918131549017 is a prime.

It is a super-2 number, since 2×918135743321² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (918135743221) 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, 100250471 + ... + 100259628.

It is an arithmetic number, because the mean of its divisors is an integer number (121308610500).

Almost surely, 2^918135743321 is an apocalyptic number.

It is an amenable number.

918135743321 is a deficient number, since it is larger than the sum of its proper divisors (52333140679).

918135743321 is a wasteful number, since it uses less digits than its factorization.

918135743321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200510359.

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

The spelling of 918135743321 in words is "nine hundred eighteen billion, one hundred thirty-five million, seven hundred forty-three thousand, three hundred twenty-one".