153732740754221 has 8 divisors (see below), whose sum is σ = 158692120543488. Its totient is φ = 148773377160000.

The previous prime is 153732740754157. The next prime is 153732740754247. The reversal of 153732740754221 is 122457047237351.

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 153732740754221 - 2⁶ = 153732740754157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153732740754421) 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, 16975646 + ... + 24405696.

It is an arithmetic number, because the mean of its divisors is an integer number (19836515067936).

Almost surely, 2^{153732740754221} is an apocalyptic number.

It is an amenable number.

153732740754221 is a deficient number, since it is larger than the sum of its proper divisors (4959379789267).

153732740754221 is an equidigital number, since it uses as much as digits as its factorization.

153732740754221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8097523.

The product of its (nonzero) digits is 9878400, while the sum is 53.

The spelling of 153732740754221 in words is "one hundred fifty-three trillion, seven hundred thirty-two billion, seven hundred forty million, seven hundred fifty-four thousand, two hundred twenty-one".