135025155 has 24 divisors (see below), whose sum is σ = 234507312. Its totient is φ = 71870784.

The previous prime is 135025139. The next prime is 135025171. The reversal of 135025155 is 551520531.

135025155 is a `hidden beast` number, since 1 + 3 + 502 + 5 + 155 = 666.

It is an interprime number because it is at equal distance from previous prime (135025139) and next prime (135025171).

It is not a de Polignac number, because 135025155 - 2⁴ = 135025139 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22372 + ... + 27758.

It is an arithmetic number, because the mean of its divisors is an integer number (9771138).

Almost surely, 2^135025155 is an apocalyptic number.

135025155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135025155 is a deficient number, since it is larger than the sum of its proper divisors (99482157).

135025155 is a wasteful number, since it uses less digits than its factorization.

135025155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5955 (or 5952 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The square root of 135025155 is about 11620.0324870458. The cubic root of 135025155 is about 513.0246445760.

Adding to 135025155 its reverse (551520531), we get a palindrome (686545686).

The spelling of 135025155 in words is "one hundred thirty-five million, twenty-five thousand, one hundred fifty-five".