140261287039 has 2 divisors, whose sum is σ = 140261287040. Its totient is φ = 140261287038.

The previous prime is 140261287007. The next prime is 140261287051. The reversal of 140261287039 is 930782162041.

It is a strong prime.

It is an emirp because it is prime and its reverse (930782162041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140261287039 - 2⁵ = 140261287007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140261286986 and 140261287004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140261287069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70130643519 + 70130643520.

It is an arithmetic number, because the mean of its divisors is an integer number (70130643520).

Almost surely, 2^140261287039 is an apocalyptic number.

140261287039 is a deficient number, since it is larger than the sum of its proper divisors (1).

140261287039 is an equidigital number, since it uses as much as digits as its factorization.

140261287039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 140261287039 in words is "one hundred forty billion, two hundred sixty-one million, two hundred eighty-seven thousand, thirty-nine".