135877603 has 2 divisors, whose sum is σ = 135877604. Its totient is φ = 135877602.

The previous prime is 135877589. The next prime is 135877613. The reversal of 135877603 is 306778531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135877603 - 2¹³ = 135869411 is a prime.

It is not a weakly prime, because it can be changed into another prime (135877613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67938801 + 67938802.

It is an arithmetic number, because the mean of its divisors is an integer number (67938802).

Almost surely, 2^135877603 is an apocalyptic number.

135877603 is a deficient number, since it is larger than the sum of its proper divisors (1).

135877603 is an equidigital number, since it uses as much as digits as its factorization.

135877603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 135877603 is about 11656.6548803677. The cubic root of 135877603 is about 514.1019987136.

It can be divided in two parts, 1358 and 77603, that added together give a square (78961 = 281²).

The spelling of 135877603 in words is "one hundred thirty-five million, eight hundred seventy-seven thousand, six hundred three".