135699192 has 64 divisors (see below), whose sum is σ = 377913600. Its totient is φ = 45116640.

The previous prime is 135699191. The next prime is 135699251. The reversal of 135699192 is 291996531.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135699191) 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 15 ways as a sum of consecutive naturals, for example, 139267 + ... + 140237.

It is an arithmetic number, because the mean of its divisors is an integer number (5904900).

Almost surely, 2^135699192 is an apocalyptic number.

135699192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

135699192 is an abundant number, since it is smaller than the sum of its proper divisors (242214408).

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

135699192 is a wasteful number, since it uses less digits than its factorization.

135699192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1633 (or 1623 counting only the distinct ones).

The product of its digits is 131220, while the sum is 45.

The square root of 135699192 is about 11648.9996137007. Note that the first 3 decimals coincide. The cubic root of 135699192 is about 513.8768901766.

The spelling of 135699192 in words is "one hundred thirty-five million, six hundred ninety-nine thousand, one hundred ninety-two".