140051521503 has 8 divisors (see below), whose sum is σ = 207483735600. Its totient is φ = 93367680984.

The previous prime is 140051521499. The next prime is 140051521531. The reversal of 140051521503 is 305125150041.

140051521503 is a `hidden beast` number, since 1 + 4 + 0 + 0 + 5 + 152 + 1 + 503 = 666.

It is not a de Polignac number, because 140051521503 - 2² = 140051521499 is a prime.

It is a super-2 number, since 2×140051521503² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 5187093389 = 140051521503 / (1 + 4 + 0 + 0 + 5 + 1 + 5 + 2 + 1 + 5 + 0 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140051521553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2593546668 + ... + 2593546721.

It is an arithmetic number, because the mean of its divisors is an integer number (25935466950).

Almost surely, 2^140051521503 is an apocalyptic number.

140051521503 is a deficient number, since it is larger than the sum of its proper divisors (67432214097).

140051521503 is an equidigital number, since it uses as much as digits as its factorization.

140051521503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5187093398 (or 5187093392 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

Adding to 140051521503 its reverse (305125150041), we get a palindrome (445176671544).

The spelling of 140051521503 in words is "one hundred forty billion, fifty-one million, five hundred twenty-one thousand, five hundred three".