135733720 has 32 divisors (see below), whose sum is σ = 321476400. Its totient is φ = 51435648.

The previous prime is 135733711. The next prime is 135733733. The reversal of 135733720 is 27337531.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88539 + ... + 90058.

Almost surely, 2^135733720 is an apocalyptic number.

135733720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135733720 is an abundant number, since it is smaller than the sum of its proper divisors (185742680).

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

135733720 is a wasteful number, since it uses less digits than its factorization.

135733720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178627 (or 178623 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 31.

The square root of 135733720 is about 11650.4815351126. The cubic root of 135733720 is about 513.9204709730.

The spelling of 135733720 in words is "one hundred thirty-five million, seven hundred thirty-three thousand, seven hundred twenty".