140137525279 has 2 divisors, whose sum is σ = 140137525280. Its totient is φ = 140137525278.

The previous prime is 140137525247. The next prime is 140137525349. The reversal of 140137525279 is 972525731041.

It is a weak prime.

It is an emirp because it is prime and its reverse (972525731041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140137525279 - 2⁵ = 140137525247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140137525679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70068762639 + 70068762640.

It is an arithmetic number, because the mean of its divisors is an integer number (70068762640).

Almost surely, 2^140137525279 is an apocalyptic number.

140137525279 is a deficient number, since it is larger than the sum of its proper divisors (1).

140137525279 is an equidigital number, since it uses as much as digits as its factorization.

140137525279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 529200, while the sum is 46.

The spelling of 140137525279 in words is "one hundred forty billion, one hundred thirty-seven million, five hundred twenty-five thousand, two hundred seventy-nine".