136088428 has 12 divisors (see below), whose sum is σ = 272176912. Its totient is φ = 58323600.

The previous prime is 136088423. The next prime is 136088429. The reversal of 136088428 is 824880631.

136088428 is an admirable number.

It is a super-2 number, since 2×136088428² = 37040120471022368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (136088423) 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, 2430123 + ... + 2430178.

Almost surely, 2^136088428 is an apocalyptic number.

It is an amenable number.

136088428 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

136088428 is a wasteful number, since it uses less digits than its factorization.

136088428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4860312 (or 4860310 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 136088428 is about 11665.6944928281. The cubic root of 136088428 is about 514.3677514780.

The spelling of 136088428 in words is "one hundred thirty-six million, eighty-eight thousand, four hundred twenty-eight".