143132135142240 has 144 divisors (see below), whose sum is σ = 488441515056768. Its totient is φ = 38168326821888.

The previous prime is 143132135142239. The next prime is 143132135142307. The reversal of 143132135142240 is 42241531231341.

143132135142240 is a `hidden beast` number, since 1 + 4 + 3 + 1 + 3 + 21 + 351 + 42 + 240 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×143132135142240² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 143132135142195 and 143132135142204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 427868484 + ... + 428202876.

It is an arithmetic number, because the mean of its divisors is an integer number (3391954965672).

Almost surely, 2^{143132135142240} is an apocalyptic number.

143132135142240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143132135142240 is an abundant number, since it is smaller than the sum of its proper divisors (345309379914528).

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

143132135142240 is a wasteful number, since it uses less digits than its factorization.

143132135142240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631661 (or 631650 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

Adding to 143132135142240 its reverse (42241531231341), we get a palindrome (185373666373581).

The spelling of 143132135142240 in words is "one hundred forty-three trillion, one hundred thirty-two billion, one hundred thirty-five million, one hundred forty-two thousand, two hundred forty".