135902128 has 10 divisors (see below), whose sum is σ = 263310404. Its totient is φ = 67951056.

The previous prime is 135902119. The next prime is 135902153. The reversal of 135902128 is 821209531.

It is a self number, because there is not a number n which added to its sum of digits gives 135902128.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4246926 + ... + 4246957.

Almost surely, 2^135902128 is an apocalyptic number.

It is an amenable number.

135902128 is a deficient number, since it is larger than the sum of its proper divisors (127408276).

135902128 is an equidigital number, since it uses as much as digits as its factorization.

135902128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8493891 (or 8493885 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 135902128 is about 11657.7068070869. The cubic root of 135902128 is about 514.1329275121.

The spelling of 135902128 in words is "one hundred thirty-five million, nine hundred two thousand, one hundred twenty-eight".