135697826 has 32 divisors (see below), whose sum is σ = 226713600. Its totient is φ = 60400080.

The previous prime is 135697813. The next prime is 135697841. The reversal of 135697826 is 628796531.

It is a super-2 number, since 2×135697826² = 36827799962252552, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 283055 + ... + 283533.

It is an arithmetic number, because the mean of its divisors is an integer number (7084800).

Almost surely, 2^135697826 is an apocalyptic number.

135697826 is a deficient number, since it is larger than the sum of its proper divisors (91015774).

135697826 is a wasteful number, since it uses less digits than its factorization.

135697826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734.

The product of its digits is 544320, while the sum is 47.

The square root of 135697826 is about 11648.9409819090. The cubic root of 135697826 is about 513.8751658770.

The spelling of 135697826 in words is "one hundred thirty-five million, six hundred ninety-seven thousand, eight hundred twenty-six".