135171403 has 8 divisors (see below), whose sum is σ = 146451888. Its totient is φ = 124260864.

The previous prime is 135171401. The next prime is 135171451. The reversal of 135171403 is 304171531.

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 135171403 - 2¹ = 135171401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135171401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91726 + ... + 93187.

It is an arithmetic number, because the mean of its divisors is an integer number (18306486).

Almost surely, 2^135171403 is an apocalyptic number.

135171403 is a deficient number, since it is larger than the sum of its proper divisors (11280485).

135171403 is a wasteful number, since it uses less digits than its factorization.

135171403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184973.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 135171403 is about 11626.3237095825. The cubic root of 135171403 is about 513.2097995969.

The spelling of 135171403 in words is "one hundred thirty-five million, one hundred seventy-one thousand, four hundred three".