153134543221 has 8 divisors (see below), whose sum is σ = 170940885984. Its totient is φ = 135975703920.

The previous prime is 153134543201. The next prime is 153134543231. The reversal of 153134543221 is 122345431351.

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 153134543221 - 2⁵ = 153134543189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153134543201) 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, 161875366 + ... + 161876311.

It is an arithmetic number, because the mean of its divisors is an integer number (21367610748).

Almost surely, 2^153134543221 is an apocalyptic number.

153134543221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

153134543221 is a deficient number, since it is larger than the sum of its proper divisors (17806342763).

153134543221 is a wasteful number, since it uses less digits than its factorization.

153134543221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323751731.

The product of its digits is 43200, while the sum is 34.

Adding to 153134543221 its reverse (122345431351), we get a palindrome (275479974572).

The spelling of 153134543221 in words is "one hundred fifty-three billion, one hundred thirty-four million, five hundred forty-three thousand, two hundred twenty-one".