135255151397 has 2 divisors, whose sum is σ = 135255151398. Its totient is φ = 135255151396.

The previous prime is 135255151331. The next prime is 135255151429. The reversal of 135255151397 is 793151552531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104493148516 + 30762002881 = 323254^2 + 175391^2 .

It is a cyclic number.

It is not a de Polignac number, because 135255151397 - 2²⁶ = 135188042533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135255156397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67627575698 + 67627575699.

It is an arithmetic number, because the mean of its divisors is an integer number (67627575699).

Almost surely, 2^135255151397 is an apocalyptic number.

It is an amenable number.

135255151397 is a deficient number, since it is larger than the sum of its proper divisors (1).

135255151397 is an equidigital number, since it uses as much as digits as its factorization.

135255151397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 708750, while the sum is 47.

The spelling of 135255151397 in words is "one hundred thirty-five billion, two hundred fifty-five million, one hundred fifty-one thousand, three hundred ninety-seven".