143136502420 has 24 divisors (see below), whose sum is σ = 318268223784. Its totient is φ = 53886683136.

The previous prime is 143136502417. The next prime is 143136502463. The reversal of 143136502420 is 24205631341.

It can be written as a sum of positive squares in 4 ways, for example, as 9001834884 + 134134667536 = 94878^2 + 366244^2 .

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 7 ways as a sum of consecutive naturals, for example, 210494517 + ... + 210495196.

It is an arithmetic number, because the mean of its divisors is an integer number (13261175991).

Almost surely, 2^143136502420 is an apocalyptic number.

143136502420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143136502420 is an abundant number, since it is smaller than the sum of its proper divisors (175131721364).

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

143136502420 is a wasteful number, since it uses less digits than its factorization.

143136502420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420989739 (or 420989737 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 143136502420 in words is "one hundred forty-three billion, one hundred thirty-six million, five hundred two thousand, four hundred twenty".