136642275 has 144 divisors (see below), whose sum is σ = 316646400. Its totient is φ = 56548800.

The previous prime is 136642267. The next prime is 136642283. The reversal of 136642275 is 572246631.

136642275 is a `hidden beast` number, since 1 + 3 + 6 + 642 + 2 + 7 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (136642267) and next prime (136642283).

It is not a de Polignac number, because 136642275 - 2³ = 136642267 is a prime.

It is a super-2 number, since 2×136642275² = 37342222634351250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 571606 + ... + 571844.

Almost surely, 2^136642275 is an apocalyptic number.

136642275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

136642275 is an abundant number, since it is smaller than the sum of its proper divisors (180004125).

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

136642275 is a wasteful number, since it uses less digits than its factorization.

136642275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287 (or 265 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 136642275 is about 11689.4086676786. The cubic root of 136642275 is about 515.0645911383.

It can be divided in two parts, 136 and 642275, that added together give a triangular number (642411 = T₁₁₃₃).

The spelling of 136642275 in words is "one hundred thirty-six million, six hundred forty-two thousand, two hundred seventy-five".