43140135200 has 72 divisors (see below), whose sum is σ = 108162303732. Its totient is φ = 16789662720.

The previous prime is 43140135161. The next prime is 43140135229. The reversal of 43140135200 is 253104134.

It can be written as a sum of positive squares in 6 ways, for example, as 20015458576 + 23124676624 = 141476^2 + 152068^2 .

It is a super-2 number, since 2×43140135200² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 699119 + ... + 758318.

Almost surely, 2^43140135200 is an apocalyptic number.

43140135200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43140135200 is an abundant number, since it is smaller than the sum of its proper divisors (65022168532).

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

43140135200 is a wasteful number, since it uses less digits than its factorization.

43140135200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1457494 (or 1457481 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 43140135200 its reverse (253104134), we get a palindrome (43393239334).

The spelling of 43140135200 in words is "forty-three billion, one hundred forty million, one hundred thirty-five thousand, two hundred".