136893042 has 72 divisors (see below), whose sum is σ = 350455248. Its totient is φ = 38282400.

The previous prime is 136893023. The next prime is 136893067. The reversal of 136893042 is 240398631.

It is a junction number, because it is equal to n+sod(n) for n = 136892988 and 136893006.

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 in 35 ways as a sum of consecutive naturals, for example, 31417 + ... + 35507.

It is an arithmetic number, because the mean of its divisors is an integer number (4867434).

Almost surely, 2^136893042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136893042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175227624).

136893042 is an abundant number, since it is smaller than the sum of its proper divisors (213562206).

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

136893042 is a wasteful number, since it uses less digits than its factorization.

136893042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4136 (or 4120 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 136893042 is about 11700.1299992778. The cubic root of 136893042 is about 515.3794821441.

The spelling of 136893042 in words is "one hundred thirty-six million, eight hundred ninety-three thousand, forty-two".