136854992 has 10 divisors (see below), whose sum is σ = 265156578. Its totient is φ = 68427488.

The previous prime is 136854961. The next prime is 136855001. The reversal of 136854992 is 299458631.

It can be written as a sum of positive squares in only one way, i.e., 71503936 + 65351056 = 8456^2 + 8084^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4276703 + ... + 4276734.

Almost surely, 2^136854992 is an apocalyptic number.

It is an amenable number.

136854992 is a deficient number, since it is larger than the sum of its proper divisors (128301586).

136854992 is an equidigital number, since it uses as much as digits as its factorization.

136854992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8553445 (or 8553439 counting only the distinct ones).

The product of its digits is 466560, while the sum is 47.

The square root of 136854992 is about 11698.5038359612. The cubic root of 136854992 is about 515.3317270836.

The spelling of 136854992 in words is "one hundred thirty-six million, eight hundred fifty-four thousand, nine hundred ninety-two".