135125503 has 8 divisors (see below), whose sum is σ = 143188560. Its totient is φ = 127075200.

The previous prime is 135125477. The next prime is 135125509. The reversal of 135125503 is 305521531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135125503 - 2²¹ = 133028351 is a prime.

It is a super-2 number, since 2×135125503² = 36517803122006018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135125509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26728 + ... + 31378.

It is an arithmetic number, because the mean of its divisors is an integer number (17898570).

Almost surely, 2^135125503 is an apocalyptic number.

135125503 is a deficient number, since it is larger than the sum of its proper divisors (8063057).

135125503 is a wasteful number, since it uses less digits than its factorization.

135125503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6377.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 135125503 is about 11624.3495732019. The cubic root of 135125503 is about 513.1517029973.

The spelling of 135125503 in words is "one hundred thirty-five million, one hundred twenty-five thousand, five hundred three".