140046016909 has 2 divisors, whose sum is σ = 140046016910. Its totient is φ = 140046016908.

The previous prime is 140046016897. The next prime is 140046016931. The reversal of 140046016909 is 909610640041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135917568900 + 4128448009 = 368670^2 + 64253^2 .

It is a cyclic number.

It is not a de Polignac number, because 140046016909 - 2¹⁹ = 140045492621 is a prime.

It is a super-2 number, since 2×140046016909² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140046016109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70023008454 + 70023008455.

It is an arithmetic number, because the mean of its divisors is an integer number (70023008455).

Almost surely, 2^140046016909 is an apocalyptic number.

It is an amenable number.

140046016909 is a deficient number, since it is larger than the sum of its proper divisors (1).

140046016909 is an equidigital number, since it uses as much as digits as its factorization.

140046016909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 40.

The spelling of 140046016909 in words is "one hundred forty billion, forty-six million, sixteen thousand, nine hundred nine".