136424786 has 8 divisors (see below), whose sum is σ = 206550000. Its totient is φ = 67574788.

The previous prime is 136424773. The next prime is 136424791. The reversal of 136424786 is 687424631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×136424786² = 37223444470291592, which contains 22 as substring.

It is a Curzon 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 in 3 ways as a sum of consecutive naturals, for example, 318536 + ... + 318963.

It is an arithmetic number, because the mean of its divisors is an integer number (25818750).

Almost surely, 2^136424786 is an apocalyptic number.

136424786 is a deficient number, since it is larger than the sum of its proper divisors (70125214).

136424786 is a wasteful number, since it uses less digits than its factorization.

136424786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637608.

The product of its digits is 193536, while the sum is 41.

The square root of 136424786 is about 11680.1021399644. The cubic root of 136424786 is about 514.7911755872.

The spelling of 136424786 in words is "one hundred thirty-six million, four hundred twenty-four thousand, seven hundred eighty-six".