135594377 has 2 divisors, whose sum is σ = 135594378. Its totient is φ = 135594376.

The previous prime is 135594373. The next prime is 135594379. The reversal of 135594377 is 773495531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125978176 + 9616201 = 11224^2 + 3101^2 .

It is a cyclic number.

It is not a de Polignac number, because 135594377 - 2² = 135594373 is a prime.

Together with 135594379, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (135594373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67797188 + 67797189.

It is an arithmetic number, because the mean of its divisors is an integer number (67797189).

Almost surely, 2^135594377 is an apocalyptic number.

It is an amenable number.

135594377 is a deficient number, since it is larger than the sum of its proper divisors (1).

135594377 is an equidigital number, since it uses as much as digits as its factorization.

135594377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 396900, while the sum is 44.

The square root of 135594377 is about 11644.4998604491. The cubic root of 135594377 is about 513.7445487352.

The spelling of 135594377 in words is "one hundred thirty-five million, five hundred ninety-four thousand, three hundred seventy-seven".