139840475290031 has 2 divisors, whose sum is σ = 139840475290032. Its totient is φ = 139840475290030.

The previous prime is 139840475289947. The next prime is 139840475290039. The reversal of 139840475290031 is 130092574048931.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 139840475290031 - 2³⁸ = 139565597383087 is a prime.

It is a super-2 number, since 2×139840475290031² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139840475290039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69920237645015 + 69920237645016.

It is an arithmetic number, because the mean of its divisors is an integer number (69920237645016).

Almost surely, 2^{139840475290031} is an apocalyptic number.

139840475290031 is a deficient number, since it is larger than the sum of its proper divisors (1).

139840475290031 is an equidigital number, since it uses as much as digits as its factorization.

139840475290031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6531840, while the sum is 56.

The spelling of 139840475290031 in words is "one hundred thirty-nine trillion, eight hundred forty billion, four hundred seventy-five million, two hundred ninety thousand, thirty-one".