136777506 has 8 divisors (see below), whose sum is σ = 273555024. Its totient is φ = 45592500.

The previous prime is 136777499. The next prime is 136777541. The reversal of 136777506 is 605777631.

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

136777506 is an admirable number.

It is a super-2 number, since 2×136777506² = 37416172295160072, 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, 11398120 + ... + 11398131.

It is an arithmetic number, because the mean of its divisors is an integer number (34194378).

Almost surely, 2^136777506 is an apocalyptic number.

136777506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

136777506 is a wasteful number, since it uses less digits than its factorization.

136777506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22796256.

The product of its (nonzero) digits is 185220, while the sum is 42.

The square root of 136777506 is about 11695.1915760282. The cubic root of 136777506 is about 515.2344500749.

The spelling of 136777506 in words is "one hundred thirty-six million, seven hundred seventy-seven thousand, five hundred six".