140175531778057 has 2 divisors, whose sum is σ = 140175531778058. Its totient is φ = 140175531778056.

The previous prime is 140175531778021. The next prime is 140175531778081. The reversal of 140175531778057 is 750877135571041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97652560288761 + 42522971489296 = 9881931^2 + 6520964^2 .

It is a cyclic number.

It is not a de Polignac number, because 140175531778057 - 2³⁵ = 140141172039689 is a prime.

It is a super-2 number, since 2×140175531778057² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140175531777986 and 140175531778004.

It is not a weakly prime, because it can be changed into another prime (140175531775057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70087765889028 + 70087765889029.

It is an arithmetic number, because the mean of its divisors is an integer number (70087765889029).

Almost surely, 2^{140175531778057} is an apocalyptic number.

It is an amenable number.

140175531778057 is a deficient number, since it is larger than the sum of its proper divisors (1).

140175531778057 is an equidigital number, since it uses as much as digits as its factorization.

140175531778057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28812000, while the sum is 61.

The spelling of 140175531778057 in words is "one hundred forty trillion, one hundred seventy-five billion, five hundred thirty-one million, seven hundred seventy-eight thousand, fifty-seven".