140216100521 has 32 divisors (see below), whose sum is σ = 179606211840. Its totient is φ = 106674978816.

The previous prime is 140216100509. The next prime is 140216100569. The reversal of 140216100521 is 125001612041.

It is not a de Polignac number, because 140216100521 - 2²⁶ = 140148991657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140216100721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 324056 + ... + 620841.

It is an arithmetic number, because the mean of its divisors is an integer number (5612694120).

Almost surely, 2^140216100521 is an apocalyptic number.

It is an amenable number.

140216100521 is a deficient number, since it is larger than the sum of its proper divisors (39390111319).

140216100521 is a wasteful number, since it uses less digits than its factorization.

140216100521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944993.

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 140216100521 its reverse (125001612041), we get a palindrome (265217712562).

The spelling of 140216100521 in words is "one hundred forty billion, two hundred sixteen million, one hundred thousand, five hundred twenty-one".