136477770 has 128 divisors (see below), whose sum is σ = 398442240. Its totient is φ = 29460480.

The previous prime is 136477769. The next prime is 136477787. The reversal of 136477770 is 77774631.

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 63 ways as a sum of consecutive naturals, for example, 123862 + ... + 124958.

It is an arithmetic number, because the mean of its divisors is an integer number (3112830).

Almost surely, 2^136477770 is an apocalyptic number.

136477770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 136477770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199221120).

136477770 is an abundant number, since it is smaller than the sum of its proper divisors (261964470).

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

136477770 is a wasteful number, since it uses less digits than its factorization.

136477770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160.

The product of its (nonzero) digits is 172872, while the sum is 42.

The square root of 136477770 is about 11682.3700506361. The cubic root of 136477770 is about 514.8578109988.

The spelling of 136477770 in words is "one hundred thirty-six million, four hundred seventy-seven thousand, seven hundred seventy".