136428552 has 48 divisors (see below), whose sum is σ = 397919340. Its totient is φ = 41977728.

The previous prime is 136428529. The next prime is 136428563. The reversal of 136428552 is 255824631.

136428552 is a `hidden beast` number, since 1 + 3 + 642 + 8 + 5 + 5 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 135629316 + 799236 = 11646^2 + 894^2 .

It is a super-2 number, since 2×136428552² = 37225499601633408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71943 + ... + 73814.

Almost surely, 2^136428552 is an apocalyptic number.

136428552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

136428552 is an abundant number, since it is smaller than the sum of its proper divisors (261490788).

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

136428552 is a wasteful number, since it uses less digits than its factorization.

136428552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145782 (or 145775 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 136428552 is about 11680.2633531954. The cubic root of 136428552 is about 514.7959124725.

The spelling of 136428552 in words is "one hundred thirty-six million, four hundred twenty-eight thousand, five hundred fifty-two".