136633140 has 72 divisors (see below), whose sum is σ = 473665920. Its totient is φ = 31230144.

The previous prime is 136633129. The next prime is 136633141. The reversal of 136633140 is 41336631.

136633140 is a `hidden beast` number, since 13 + 6 + 633 + 14 + 0 = 666.

It is a super-2 number, since 2×136633140² = 37337229892519200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136633141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52960 + ... + 55479.

Almost surely, 2^136633140 is an apocalyptic number.

136633140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136633140 is an abundant number, since it is smaller than the sum of its proper divisors (337032780).

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

136633140 is a wasteful number, since it uses less digits than its factorization.

136633140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108461 (or 108456 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 136633140 is about 11689.0179228197. The cubic root of 136633140 is about 515.0531129436.

Adding to 136633140 its reverse (41336631), we get a palindrome (177969771).

The spelling of 136633140 in words is "one hundred thirty-six million, six hundred thirty-three thousand, one hundred forty".