140046542089 has 2 divisors, whose sum is σ = 140046542090. Its totient is φ = 140046542088.

The previous prime is 140046542017. The next prime is 140046542137. The reversal of 140046542089 is 980245640041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102325133689 + 37721408400 = 319883^2 + 194220^2 .

It is an emirp because it is prime and its reverse (980245640041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140046542089 - 2¹¹ = 140046540041 is a prime.

It is a super-2 number, since 2×140046542089² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (140046542189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70023271044 + 70023271045.

It is an arithmetic number, because the mean of its divisors is an integer number (70023271045).

Almost surely, 2^140046542089 is an apocalyptic number.

It is an amenable number.

140046542089 is a deficient number, since it is larger than the sum of its proper divisors (1).

140046542089 is an equidigital number, since it uses as much as digits as its factorization.

140046542089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 140046542089 in words is "one hundred forty billion, forty-six million, five hundred forty-two thousand, eighty-nine".