140175531774973 has 2 divisors, whose sum is σ = 140175531774974. Its totient is φ = 140175531774972.

The previous prime is 140175531774961. The next prime is 140175531775057. The reversal of 140175531774973 is 379477135571041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118263602258649 + 21911929516324 = 10874907^2 + 4681018^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140175531774973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140175531774923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70087765887486 + 70087765887487.

It is an arithmetic number, because the mean of its divisors is an integer number (70087765887487).

Almost surely, 2^{140175531774973} is an apocalyptic number.

It is an amenable number.

140175531774973 is a deficient number, since it is larger than the sum of its proper divisors (1).

140175531774973 is an equidigital number, since it uses as much as digits as its factorization.

140175531774973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77792400, while the sum is 64.

The spelling of 140175531774973 in words is "one hundred forty trillion, one hundred seventy-five billion, five hundred thirty-one million, seven hundred seventy-four thousand, nine hundred seventy-three".