143634616621331 has 8 divisors (see below), whose sum is σ = 156694268973504. Its totient is φ = 130575290924520.

The previous prime is 143634616621291. The next prime is 143634616621403. The reversal of 143634616621331 is 133126616436341.

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 143634616621331 - 2⁶ = 143634616621267 is a prime.

It is a super-2 number, since 2×143634616621331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 143634616621331.

It is not an unprimeable number, because it can be changed into a prime (143634616621231) 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, 80743985 + ... + 82503698.

It is an arithmetic number, because the mean of its divisors is an integer number (19586783621688).

Almost surely, 2^{143634616621331} is an apocalyptic number.

143634616621331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

143634616621331 is a deficient number, since it is larger than the sum of its proper divisors (13059652352173).

143634616621331 is a wasteful number, since it uses less digits than its factorization.

143634616621331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163327681.

The product of its digits is 3359232, while the sum is 50.

The spelling of 143634616621331 in words is "one hundred forty-three trillion, six hundred thirty-four billion, six hundred sixteen million, six hundred twenty-one thousand, three hundred thirty-one".