136438410 has 16 divisors (see below), whose sum is σ = 327452256. Its totient is φ = 36383568.

The previous prime is 136438403. The next prime is 136438439. The reversal of 136438410 is 14834631.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 4547947 = 136438410 / (1 + 3 + 6 + 4 + 3 + 8 + 4 + 1 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2273944 + ... + 2274003.

It is an arithmetic number, because the mean of its divisors is an integer number (20465766).

Almost surely, 2^136438410 is an apocalyptic number.

136438410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136438410 is an abundant number, since it is smaller than the sum of its proper divisors (191013846).

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

136438410 is a wasteful number, since it uses less digits than its factorization.

136438410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4547957.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 136438410 is about 11680.6853394824. The cubic root of 136438410 is about 514.8083114799.

The spelling of 136438410 in words is "one hundred thirty-six million, four hundred thirty-eight thousand, four hundred ten".