134244899557 has 2 divisors, whose sum is σ = 134244899558. Its totient is φ = 134244899556.

The previous prime is 134244899527. The next prime is 134244899609. The reversal of 134244899557 is 755998442431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133079769601 + 1165129956 = 364801^2 + 34134^2 .

It is a cyclic number.

It is not a de Polignac number, because 134244899557 - 2⁷ = 134244899429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 134244899495 and 134244899504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134244899527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67122449778 + 67122449779.

It is an arithmetic number, because the mean of its divisors is an integer number (67122449779).

Almost surely, 2^134244899557 is an apocalyptic number.

It is an amenable number.

134244899557 is a deficient number, since it is larger than the sum of its proper divisors (1).

134244899557 is an equidigital number, since it uses as much as digits as its factorization.

134244899557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43545600, while the sum is 61.

The spelling of 134244899557 in words is "one hundred thirty-four billion, two hundred forty-four million, eight hundred ninety-nine thousand, five hundred fifty-seven".