135687734 has 24 divisors (see below), whose sum is σ = 251881200. Its totient is φ = 53677728.

The previous prime is 135687733. The next prime is 135687763. The reversal of 135687734 is 437786531.

It is a super-2 number, since 2×135687734² = 36822322316109512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135687733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26309 + ... + 31040.

It is an arithmetic number, because the mean of its divisors is an integer number (10495050).

Almost surely, 2^135687734 is an apocalyptic number.

135687734 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

135687734 is a deficient number, since it is larger than the sum of its proper divisors (116193466).

135687734 is a wasteful number, since it uses less digits than its factorization.

135687734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57384 (or 57371 counting only the distinct ones).

The product of its digits is 423360, while the sum is 44.

The square root of 135687734 is about 11648.5078014310. The cubic root of 135687734 is about 513.8624264031.

The spelling of 135687734 in words is "one hundred thirty-five million, six hundred eighty-seven thousand, seven hundred thirty-four".