140125631279 has 2 divisors, whose sum is σ = 140125631280. Its totient is φ = 140125631278.

The previous prime is 140125631257. The next prime is 140125631291. The reversal of 140125631279 is 972136521041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140125631279 - 2¹² = 140125627183 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140125631249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70062815639 + 70062815640.

It is an arithmetic number, because the mean of its divisors is an integer number (70062815640).

Almost surely, 2^140125631279 is an apocalyptic number.

140125631279 is a deficient number, since it is larger than the sum of its proper divisors (1).

140125631279 is an equidigital number, since it uses as much as digits as its factorization.

140125631279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 140125631279 in words is "one hundred forty billion, one hundred twenty-five million, six hundred thirty-one thousand, two hundred seventy-nine".