135855880 has 16 divisors (see below), whose sum is σ = 305675820. Its totient is φ = 54342336.

The previous prime is 135855859. The next prime is 135855883. The reversal of 135855880 is 88558531.

It can be written as a sum of positive squares in 2 ways, for example, as 135070884 + 784996 = 11622^2 + 886^2 .

It is not an unprimeable number, because it can be changed into a prime (135855883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1698159 + ... + 1698238.

Almost surely, 2^135855880 is an apocalyptic number.

135855880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135855880 is an abundant number, since it is smaller than the sum of its proper divisors (169819940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135855880 is a wasteful number, since it uses less digits than its factorization.

135855880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3396408 (or 3396404 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 43.

The square root of 135855880 is about 11655.7230577944. The cubic root of 135855880 is about 514.0746004456.

It can be divided in two parts, 1358 and 55880, that multiplied together give a triangular number (75885040 = T₁₂₃₁₉).

The spelling of 135855880 in words is "one hundred thirty-five million, eight hundred fifty-five thousand, eight hundred eighty".