135694392 has 32 divisors (see below), whose sum is σ = 348406800. Its totient is φ = 44008704.

The previous prime is 135694373. The next prime is 135694397. The reversal of 135694392 is 293496531.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135694397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75517 + ... + 77292.

Almost surely, 2^135694392 is an apocalyptic number.

135694392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

135694392 is an abundant number, since it is smaller than the sum of its proper divisors (212712408).

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

135694392 is a wasteful number, since it uses less digits than its factorization.

135694392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152855 (or 152851 counting only the distinct ones).

The product of its digits is 174960, while the sum is 42.

The square root of 135694392 is about 11648.7935856036. The cubic root of 135694392 is about 513.8708310932.

The spelling of 135694392 in words is "one hundred thirty-five million, six hundred ninety-four thousand, three hundred ninety-two".