140152554145321 has 2 divisors, whose sum is σ = 140152554145322. Its totient is φ = 140152554145320.

The previous prime is 140152554145277. The next prime is 140152554145327. The reversal of 140152554145321 is 123541455251041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122726404458025 + 17426149687296 = 11078195^2 + 4174464^2 .

It is a cyclic number.

It is not a de Polignac number, because 140152554145321 - 2³¹ = 140150406661673 is a prime.

It is not a weakly prime, because it can be changed into another prime (140152554145327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70076277072660 + 70076277072661.

It is an arithmetic number, because the mean of its divisors is an integer number (70076277072661).

Almost surely, 2^{140152554145321} is an apocalyptic number.

It is an amenable number.

140152554145321 is a deficient number, since it is larger than the sum of its proper divisors (1).

140152554145321 is an equidigital number, since it uses as much as digits as its factorization.

140152554145321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480000, while the sum is 43.

The spelling of 140152554145321 in words is "one hundred forty trillion, one hundred fifty-two billion, five hundred fifty-four million, one hundred forty-five thousand, three hundred twenty-one".