134688992 has 24 divisors (see below), whose sum is σ = 274314600. Its totient is φ = 65021824.

The previous prime is 134688979. The next prime is 134689003. The reversal of 134688992 is 299886431.

It is a happy number.

It is a super-2 number, since 2×134688992² = 36282249131952128, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 134688992.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71642 + ... + 73497.

It is an arithmetic number, because the mean of its divisors is an integer number (11429775).

Almost surely, 2^134688992 is an apocalyptic number.

It is an amenable number.

134688992 is an abundant number, since it is smaller than the sum of its proper divisors (139625608).

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

134688992 is a wasteful number, since it uses less digits than its factorization.

134688992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145178 (or 145170 counting only the distinct ones).

The product of its digits is 746496, while the sum is 50.

The square root of 134688992 is about 11605.5586681555. The cubic root of 134688992 is about 512.5985431767.

The spelling of 134688992 in words is "one hundred thirty-four million, six hundred eighty-eight thousand, nine hundred ninety-two".