136242992 has 20 divisors (see below), whose sum is σ = 264912360. Its totient is φ = 67878528.

The previous prime is 136242973. The next prime is 136243021. The reversal of 136242992 is 299242631.

It is a happy number.

It is a super-2 number, since 2×136242992² = 37124305738224128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 10517 + ... + 19572.

It is an arithmetic number, because the mean of its divisors is an integer number (13245618).

Almost surely, 2^136242992 is an apocalyptic number.

It is an amenable number.

136242992 is a deficient number, since it is larger than the sum of its proper divisors (128669368).

136242992 is a wasteful number, since it uses less digits than its factorization.

136242992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30380 (or 30374 counting only the distinct ones).

The product of its digits is 46656, while the sum is 38.

The square root of 136242992 is about 11672.3173363304. The cubic root of 136242992 is about 514.5624108343.

The spelling of 136242992 in words is "one hundred thirty-six million, two hundred forty-two thousand, nine hundred ninety-two".