140012002973261 has 2 divisors, whose sum is σ = 140012002973262. Its totient is φ = 140012002973260.

The previous prime is 140012002973231. The next prime is 140012002973441. The reversal of 140012002973261 is 162379200210041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139567500749161 + 444502224100 = 11813869^2 + 666710^2 .

It is a cyclic number.

It is not a de Polignac number, because 140012002973261 - 2¹⁴ = 140012002956877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140012002973231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70006001486630 + 70006001486631.

It is an arithmetic number, because the mean of its divisors is an integer number (70006001486631).

Almost surely, 2^{140012002973261} is an apocalyptic number.

It is an amenable number.

140012002973261 is a deficient number, since it is larger than the sum of its proper divisors (1).

140012002973261 is an equidigital number, since it uses as much as digits as its factorization.

140012002973261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 140012002973261 in words is "one hundred forty trillion, twelve billion, two million, nine hundred seventy-three thousand, two hundred sixty-one".