140252046157 has 2 divisors, whose sum is σ = 140252046158. Its totient is φ = 140252046156.

The previous prime is 140252046149. The next prime is 140252046161. The reversal of 140252046157 is 751640252041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135899873316 + 4352172841 = 368646^2 + 65971^2 .

It is a cyclic number.

It is not a de Polignac number, because 140252046157 - 2³ = 140252046149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140252046167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70126023078 + 70126023079.

It is an arithmetic number, because the mean of its divisors is an integer number (70126023079).

Almost surely, 2^140252046157 is an apocalyptic number.

It is an amenable number.

140252046157 is a deficient number, since it is larger than the sum of its proper divisors (1).

140252046157 is an equidigital number, since it uses as much as digits as its factorization.

140252046157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 67200, while the sum is 37.

Adding to 140252046157 its reverse (751640252041), we get a palindrome (891892298198).

The spelling of 140252046157 in words is "one hundred forty billion, two hundred fifty-two million, forty-six thousand, one hundred fifty-seven".