136890610 has 8 divisors (see below), whose sum is σ = 246403116. Its totient is φ = 54756240.

The previous prime is 136890601. The next prime is 136890617. The reversal of 136890610 is 16098631.

It can be written as a sum of positive squares in 2 ways, for example, as 133471809 + 3418801 = 11553^2 + 1849^2 .

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

It is not an unprimeable number, because it can be changed into a prime (136890617) by changing a digit.

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, 6844521 + ... + 6844540.

Almost surely, 2^136890610 is an apocalyptic number.

136890610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136890610 is a deficient number, since it is larger than the sum of its proper divisors (109512506).

136890610 is a wasteful number, since it uses less digits than its factorization.

136890610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13689068.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 136890610 is about 11700.0260683470. The cubic root of 136890610 is about 515.3764301012.

The spelling of 136890610 in words is "one hundred thirty-six million, eight hundred ninety thousand, six hundred ten".