140305876957 has 2 divisors, whose sum is σ = 140305876958. Its totient is φ = 140305876956.

The previous prime is 140305876933. The next prime is 140305877003. The reversal of 140305876957 is 759678503041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139764570201 + 541306756 = 373851^2 + 23266^2 .

It is a cyclic number.

It is not a de Polignac number, because 140305876957 - 2¹¹ = 140305874909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140305876898 and 140305876907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140305876927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70152938478 + 70152938479.

It is an arithmetic number, because the mean of its divisors is an integer number (70152938479).

Almost surely, 2^140305876957 is an apocalyptic number.

It is an amenable number.

140305876957 is a deficient number, since it is larger than the sum of its proper divisors (1).

140305876957 is an equidigital number, since it uses as much as digits as its factorization.

140305876957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6350400, while the sum is 55.

The spelling of 140305876957 in words is "one hundred forty billion, three hundred five million, eight hundred seventy-six thousand, nine hundred fifty-seven".