135047888 has 20 divisors (see below), whose sum is σ = 264598020. Its totient is φ = 66764544.

The previous prime is 135047879. The next prime is 135047897. The reversal of 135047888 is 888740531.

It is an interprime number because it is at equal distance from previous prime (135047879) and next prime (135047897).

It can be written as a sum of positive squares in 2 ways, for example, as 41886784 + 93161104 = 6472^2 + 9652^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45995 + ... + 48842.

It is an arithmetic number, because the mean of its divisors is an integer number (13229901).

Almost surely, 2^135047888 is an apocalyptic number.

It is an amenable number.

135047888 is a deficient number, since it is larger than the sum of its proper divisors (129550132).

135047888 is an equidigital number, since it uses as much as digits as its factorization.

135047888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94934 (or 94928 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 44.

The square root of 135047888 is about 11621.0106273078. The cubic root of 135047888 is about 513.0534341123.

The spelling of 135047888 in words is "one hundred thirty-five million, forty-seven thousand, eight hundred eighty-eight".