140388041 has 2 divisors, whose sum is σ = 140388042. Its totient is φ = 140388040.

The previous prime is 140388037. The next prime is 140388103. The reversal of 140388041 is 140883041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92833225 + 47554816 = 9635^2 + 6896^2 .

It is a cyclic number.

It is not a de Polignac number, because 140388041 - 2² = 140388037 is a prime.

It is a super-3 number, since 3×140388041³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140387995 and 140388013.

It is not a weakly prime, because it can be changed into another prime (140388011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70194020 + 70194021.

It is an arithmetic number, because the mean of its divisors is an integer number (70194021).

Almost surely, 2^140388041 is an apocalyptic number.

It is an amenable number.

140388041 is a deficient number, since it is larger than the sum of its proper divisors (1).

140388041 is an equidigital number, since it uses as much as digits as its factorization.

140388041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 140388041 is about 11848.5459445453. The cubic root of 140388041 is about 519.7287058718.

The spelling of 140388041 in words is "one hundred forty million, three hundred eighty-eight thousand, forty-one".