13143330157 has 2 divisors, whose sum is σ = 13143330158. Its totient is φ = 13143330156.

The previous prime is 13143330131. The next prime is 13143330223. The reversal of 13143330157 is 75103334131.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13088732836 + 54597321 = 114406^2 + 7389^2 .

It is a cyclic number.

It is not a de Polignac number, because 13143330157 - 2⁷ = 13143330029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13143330257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6571665078 + 6571665079.

It is an arithmetic number, because the mean of its divisors is an integer number (6571665079).

Almost surely, 2^13143330157 is an apocalyptic number.

It is an amenable number.

13143330157 is a deficient number, since it is larger than the sum of its proper divisors (1).

13143330157 is an equidigital number, since it uses as much as digits as its factorization.

13143330157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 31.

Adding to 13143330157 its reverse (75103334131), we get a palindrome (88246664288).

The spelling of 13143330157 in words is "thirteen billion, one hundred forty-three million, three hundred thirty thousand, one hundred fifty-seven".