140353301401521 has 16 divisors (see below), whose sum is σ = 201537063529536. Its totient is φ = 86369497574976.

The previous prime is 140353301401393. The next prime is 140353301401567. The reversal of 140353301401521 is 125104103353041.

It is not a de Polignac number, because 140353301401521 - 2⁷ = 140353301401393 is a prime.

It is a super-2 number, since 2×140353301401521² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140353301401721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34832775 + ... + 38652668.

It is an arithmetic number, because the mean of its divisors is an integer number (12596066470596).

Almost surely, 2^{140353301401521} is an apocalyptic number.

It is an amenable number.

140353301401521 is a deficient number, since it is larger than the sum of its proper divisors (61183762128015).

140353301401521 is a wasteful number, since it uses less digits than its factorization.

140353301401521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73534432.

The product of its (nonzero) digits is 21600, while the sum is 33.

Adding to 140353301401521 its reverse (125104103353041), we get a palindrome (265457404754562).

The spelling of 140353301401521 in words is "one hundred forty trillion, three hundred fifty-three billion, three hundred one million, four hundred one thousand, five hundred twenty-one".