143109849138 has 16 divisors (see below), whose sum is σ = 290250962496. Its totient is φ = 47031405680.

The previous prime is 143109849101. The next prime is 143109849139. The reversal of 143109849138 is 831948901341.

143109849138 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×143109849138² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (143109849139) 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, 167968881 + ... + 167969732.

It is an arithmetic number, because the mean of its divisors is an integer number (18140685156).

Almost surely, 2^143109849138 is an apocalyptic number.

143109849138 is an abundant number, since it is smaller than the sum of its proper divisors (147141113358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143109849138 is a wasteful number, since it uses less digits than its factorization.

143109849138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335938689.

The product of its (nonzero) digits is 746496, while the sum is 51.

The spelling of 143109849138 in words is "one hundred forty-three billion, one hundred nine million, eight hundred forty-nine thousand, one hundred thirty-eight".