136670400 has 126 divisors (see below), whose sum is σ = 485810052. Its totient is φ = 36441600.

The previous prime is 136670371. The next prime is 136670423. The reversal of 136670400 is 4076631.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9655 + ... + 19145.

Almost surely, 2^136670400 is an apocalyptic number.

136670400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136670400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242905026).

136670400 is an abundant number, since it is smaller than the sum of its proper divisors (349139652).

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

136670400 is a wasteful number, since it uses less digits than its factorization.

136670400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9519 (or 9501 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 136670400 is about 11690.6116178753. The cubic root of 136670400 is about 515.0999271958.

The spelling of 136670400 in words is "one hundred thirty-six million, six hundred seventy thousand, four hundred".