136403380 has 12 divisors (see below), whose sum is σ = 286447140. Its totient is φ = 54561344.

The previous prime is 136403321. The next prime is 136403383. The reversal of 136403380 is 83304631.

It can be written as a sum of positive squares in 2 ways, for example, as 45239076 + 91164304 = 6726^2 + 9548^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136403383) 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, 3410065 + ... + 3410104.

It is an arithmetic number, because the mean of its divisors is an integer number (23870595).

Almost surely, 2^136403380 is an apocalyptic number.

136403380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136403380 is an abundant number, since it is smaller than the sum of its proper divisors (150043760).

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

136403380 is a wasteful number, since it uses less digits than its factorization.

136403380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6820178 (or 6820176 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 136403380 is about 11679.1857592899. The cubic root of 136403380 is about 514.7642494040.

It can be divided in two parts, 13640 and 3380, that added together give a triangular number (17020 = T₁₈₄).

The spelling of 136403380 in words is "one hundred thirty-six million, four hundred three thousand, three hundred eighty".