9143639141 has 16 divisors (see below), whose sum is σ = 11389305984. Its totient is φ = 7147358784.

The previous prime is 9143639117. The next prime is 9143639147. The reversal of 9143639141 is 1419363419.

It is a cyclic number.

It is not a de Polignac number, because 9143639141 - 2¹⁰ = 9143638117 is a prime.

It is a super-2 number, since 2×9143639141² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9143639147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 597746 + ... + 612851.

It is an arithmetic number, because the mean of its divisors is an integer number (711831624).

Almost surely, 2^9143639141 is an apocalyptic number.

9143639141 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

It is an amenable number.

9143639141 is a deficient number, since it is larger than the sum of its proper divisors (2245666843).

9143639141 is a wasteful number, since it uses less digits than its factorization.

9143639141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210700.

The product of its digits is 69984, while the sum is 41.

The square root of 9143639141 is about 95622.3778254860. The cubic root of 9143639141 is about 2091.0914486465.

The spelling of 9143639141 in words is "nine billion, one hundred forty-three million, six hundred thirty-nine thousand, one hundred forty-one".