140521343305331 has 16 divisors (see below), whose sum is σ = 142930785607680. Its totient is φ = 138132798923520.

The previous prime is 140521343305313. The next prime is 140521343305339. The reversal of 140521343305331 is 133503343125041.

It is a cyclic number.

It is not a de Polignac number, because 140521343305331 - 2²⁶ = 140521276196467 is a prime.

It is a super-2 number, since 2×140521343305331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140521343305339) 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, 17553230 + ... + 24272588.

It is an arithmetic number, because the mean of its divisors is an integer number (8933174100480).

Almost surely, 2^{140521343305331} is an apocalyptic number.

140521343305331 is a deficient number, since it is larger than the sum of its proper divisors (2409442302349).

140521343305331 is a wasteful number, since it uses less digits than its factorization.

140521343305331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6720914.

The product of its (nonzero) digits is 194400, while the sum is 38.

The spelling of 140521343305331 in words is "one hundred forty trillion, five hundred twenty-one billion, three hundred forty-three million, three hundred five thousand, three hundred thirty-one".