135869696 has 18 divisors (see below), whose sum is σ = 271209162. Its totient is φ = 67934720.

The previous prime is 135869693. The next prime is 135869711. The reversal of 135869696 is 696968531.

It can be written as a sum of positive squares in only one way, i.e., 108160000 + 27709696 = 10400^2 + 5264^2 .

It is a super-2 number, since 2×135869696² = 36921148582264832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135869693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265115 + ... + 265626.

Almost surely, 2^135869696 is an apocalyptic number.

135869696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

135869696 is a deficient number, since it is larger than the sum of its proper divisors (135339466).

135869696 is an frugal number, since it uses more digits than its factorization.

135869696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530757 (or 530743 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 53.

The square root of 135869696 is about 11656.3157129515. The cubic root of 135869696 is about 514.0920262990.

The spelling of 135869696 in words is "one hundred thirty-five million, eight hundred sixty-nine thousand, six hundred ninety-six".