140434141157 has 2 divisors, whose sum is σ = 140434141158. Its totient is φ = 140434141156.

The previous prime is 140434141123. The next prime is 140434141189. The reversal of 140434141157 is 751141434041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78094538116 + 62339603041 = 279454^2 + 249679^2 .

It is an emirp because it is prime and its reverse (751141434041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140434141157 - 2²⁶ = 140367032293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140434140157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70217070578 + 70217070579.

It is an arithmetic number, because the mean of its divisors is an integer number (70217070579).

Almost surely, 2^140434141157 is an apocalyptic number.

It is an amenable number.

140434141157 is a deficient number, since it is larger than the sum of its proper divisors (1).

140434141157 is an equidigital number, since it uses as much as digits as its factorization.

140434141157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 35.

Adding to 140434141157 its reverse (751141434041), we get a palindrome (891575575198).

The spelling of 140434141157 in words is "one hundred forty billion, four hundred thirty-four million, one hundred forty-one thousand, one hundred fifty-seven".