140673231157 has 2 divisors, whose sum is σ = 140673231158. Its totient is φ = 140673231156.

The previous prime is 140673231151. The next prime is 140673231191. The reversal of 140673231157 is 751132376041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75712475281 + 64960755876 = 275159^2 + 254874^2 .

It is a cyclic number.

It is not a de Polignac number, because 140673231157 - 2¹⁵ = 140673198389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140673231151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70336615578 + 70336615579.

It is an arithmetic number, because the mean of its divisors is an integer number (70336615579).

Almost surely, 2^140673231157 is an apocalyptic number.

It is an amenable number.

140673231157 is a deficient number, since it is larger than the sum of its proper divisors (1).

140673231157 is an equidigital number, since it uses as much as digits as its factorization.

140673231157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105840, while the sum is 40.

The spelling of 140673231157 in words is "one hundred forty billion, six hundred seventy-three million, two hundred thirty-one thousand, one hundred fifty-seven".