135015855 has 16 divisors (see below), whose sum is σ = 232643040. Its totient is φ = 66469248.

The previous prime is 135015847. The next prime is 135015863. The reversal of 135015855 is 558510531.

It is an interprime number because it is at equal distance from previous prime (135015847) and next prime (135015863).

It is not a de Polignac number, because 135015855 - 2³ = 135015847 is a prime.

It is a super-2 number, since 2×135015855² = 36458562202762050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 346000 + ... + 346389.

It is an arithmetic number, because the mean of its divisors is an integer number (14540190).

Almost surely, 2^135015855 is an apocalyptic number.

135015855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135015855 is a deficient number, since it is larger than the sum of its proper divisors (97627185).

135015855 is a wasteful number, since it uses less digits than its factorization.

135015855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692410.

The product of its (nonzero) digits is 15000, while the sum is 33.

The square root of 135015855 is about 11619.6323091568. The cubic root of 135015855 is about 513.0128659344.

It can be divided in two parts, 1350 and 15855, that added together give a triangular number (17205 = T₁₈₅).

The spelling of 135015855 in words is "one hundred thirty-five million, fifteen thousand, eight hundred fifty-five".