134472273557 has 2 divisors, whose sum is σ = 134472273558. Its totient is φ = 134472273556.

The previous prime is 134472273511. The next prime is 134472273589. The reversal of 134472273557 is 755372274431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95747543761 + 38724729796 = 309431^2 + 196786^2 .

It is an emirp because it is prime and its reverse (755372274431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134472273557 - 2²² = 134468079253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134472273757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67236136778 + 67236136779.

It is an arithmetic number, because the mean of its divisors is an integer number (67236136779).

Almost surely, 2^134472273557 is an apocalyptic number.

It is an amenable number.

134472273557 is a deficient number, since it is larger than the sum of its proper divisors (1).

134472273557 is an equidigital number, since it uses as much as digits as its factorization.

134472273557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4939200, while the sum is 50.

The spelling of 134472273557 in words is "one hundred thirty-four billion, four hundred seventy-two million, two hundred seventy-three thousand, five hundred fifty-seven".