135156903 has 8 divisors (see below), whose sum is σ = 205953408. Its totient is φ = 77232504.

The previous prime is 135156841. The next prime is 135156911. The reversal of 135156903 is 309651531.

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

It is not a de Polignac number, because 135156903 - 2¹³ = 135148711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135156803) 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, 3218001 + ... + 3218042.

It is an arithmetic number, because the mean of its divisors is an integer number (25744176).

Almost surely, 2^135156903 is an apocalyptic number.

135156903 is a deficient number, since it is larger than the sum of its proper divisors (70796505).

135156903 is an equidigital number, since it uses as much as digits as its factorization.

135156903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6436053.

The product of its (nonzero) digits is 12150, while the sum is 33.

The square root of 135156903 is about 11625.7001079505. The cubic root of 135156903 is about 513.1914480619.

The spelling of 135156903 in words is "one hundred thirty-five million, one hundred fifty-six thousand, nine hundred three".