134426315257 has 8 divisors (see below), whose sum is σ = 147220476480. Its totient is φ = 121982679120.

The previous prime is 134426315239. The next prime is 134426315267. The reversal of 134426315257 is 752513624431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 134426315257 - 2⁷ = 134426315129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134426315207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87630469 + ... + 87632002.

It is an arithmetic number, because the mean of its divisors is an integer number (18402559560).

Almost surely, 2^134426315257 is an apocalyptic number.

It is an amenable number.

134426315257 is a deficient number, since it is larger than the sum of its proper divisors (12794161223).

134426315257 is a wasteful number, since it uses less digits than its factorization.

134426315257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175262543.

The product of its digits is 604800, while the sum is 43.

Adding to 134426315257 its reverse (752513624431), we get a palindrome (886939939688).

The spelling of 134426315257 in words is "one hundred thirty-four billion, four hundred twenty-six million, three hundred fifteen thousand, two hundred fifty-seven".