136128948 has 12 divisors (see below), whose sum is σ = 317634240. Its totient is φ = 45376312.

The previous prime is 136128907. The next prime is 136128959. The reversal of 136128948 is 849821631.

It is a tau number, because it is divible by the number of its divisors (12).

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, 5672028 + ... + 5672051.

It is an arithmetic number, because the mean of its divisors is an integer number (26469520).

Almost surely, 2^136128948 is an apocalyptic number.

It is an amenable number.

136128948 is an abundant number, since it is smaller than the sum of its proper divisors (181505292).

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

136128948 is a wasteful number, since it uses less digits than its factorization.

136128948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11344086 (or 11344084 counting only the distinct ones).

The product of its digits is 82944, while the sum is 42.

The square root of 136128948 is about 11667.4310797193. The cubic root of 136128948 is about 514.4187969963.

The spelling of 136128948 in words is "one hundred thirty-six million, one hundred twenty-eight thousand, nine hundred forty-eight".