143738347136 has 16 divisors (see below), whose sum is σ = 286353738690. Its totient is φ = 71869173504.

The previous prime is 143738347111. The next prime is 143738347139. The reversal of 143738347136 is 631743837341.

It can be written as a sum of positive squares in only one way, i.e., 85147240000 + 58591107136 = 291800^2 + 242056^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (143738347139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561477791 + ... + 561478046.

Almost surely, 2^143738347136 is an apocalyptic number.

143738347136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

143738347136 is a deficient number, since it is larger than the sum of its proper divisors (142615391554).

143738347136 is an equidigital number, since it uses as much as digits as its factorization.

143738347136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122955851 (or 1122955839 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 50.

The spelling of 143738347136 in words is "one hundred forty-three billion, seven hundred thirty-eight million, three hundred forty-seven thousand, one hundred thirty-six".