134312131357 has 2 divisors, whose sum is σ = 134312131358. Its totient is φ = 134312131356.

The previous prime is 134312131351. The next prime is 134312131417. The reversal of 134312131357 is 753131213431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109922750116 + 24389381241 = 331546^2 + 156171^2 .

It is an emirp because it is prime and its reverse (753131213431) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134312131357 is a prime.

It is a super-2 number, since 2×134312131357² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134312131351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67156065678 + 67156065679.

It is an arithmetic number, because the mean of its divisors is an integer number (67156065679).

Almost surely, 2^134312131357 is an apocalyptic number.

It is an amenable number.

134312131357 is a deficient number, since it is larger than the sum of its proper divisors (1).

134312131357 is an equidigital number, since it uses as much as digits as its factorization.

134312131357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 34.

Adding to 134312131357 its reverse (753131213431), we get a palindrome (887443344788).

The spelling of 134312131357 in words is "one hundred thirty-four billion, three hundred twelve million, one hundred thirty-one thousand, three hundred fifty-seven".