136966770 has 24 divisors (see below), whose sum is σ = 356113836. Its totient is φ = 36524448.

The previous prime is 136966759. The next prime is 136966783. The reversal of 136966770 is 77669631.

It can be written as a sum of positive squares in 2 ways, for example, as 136960209 + 6561 = 11703^2 + 81^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 760837 + ... + 761016.

Almost surely, 2^136966770 is an apocalyptic number.

136966770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136966770 is an abundant number, since it is smaller than the sum of its proper divisors (219147066).

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

136966770 is a wasteful number, since it uses less digits than its factorization.

136966770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521866 (or 1521863 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 136966770 is about 11703.2803093833. The cubic root of 136966770 is about 515.4719900814.

The spelling of 136966770 in words is "one hundred thirty-six million, nine hundred sixty-six thousand, seven hundred seventy".