135125154403 has 2 divisors, whose sum is σ = 135125154404. Its totient is φ = 135125154402.

The previous prime is 135125154401. The next prime is 135125154431. The reversal of 135125154403 is 304451521531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135125154403 - 2¹ = 135125154401 is a prime.

Together with 135125154401, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (135125154401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67562577201 + 67562577202.

It is an arithmetic number, because the mean of its divisors is an integer number (67562577202).

Almost surely, 2^135125154403 is an apocalyptic number.

135125154403 is a deficient number, since it is larger than the sum of its proper divisors (1).

135125154403 is an equidigital number, since it uses as much as digits as its factorization.

135125154403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 135125154403 its reverse (304451521531), we get a palindrome (439576675934).

The spelling of 135125154403 in words is "one hundred thirty-five billion, one hundred twenty-five million, one hundred fifty-four thousand, four hundred three".