136194680 has 16 divisors (see below), whose sum is σ = 306438120. Its totient is φ = 54477856.

The previous prime is 136194677. The next prime is 136194689. The reversal of 136194680 is 86491631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136194689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1702394 + ... + 1702473.

Almost surely, 2^136194680 is an apocalyptic number.

136194680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136194680 is an abundant number, since it is smaller than the sum of its proper divisors (170243440).

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

136194680 is a wasteful number, since it uses less digits than its factorization.

136194680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3404878 (or 3404874 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 136194680 is about 11670.2476409029. The cubic root of 136194680 is about 514.5015820709.

The spelling of 136194680 in words is "one hundred thirty-six million, one hundred ninety-four thousand, six hundred eighty".