136143210 has 128 divisors (see below), whose sum is σ = 396140544. Its totient is φ = 29272320.

The previous prime is 136143131. The next prime is 136143229. The reversal of 136143210 is 12341631.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 342732 + ... + 343128.

It is an arithmetic number, because the mean of its divisors is an integer number (3094848).

Almost surely, 2^136143210 is an apocalyptic number.

136143210 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 136143210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198070272).

136143210 is an abundant number, since it is smaller than the sum of its proper divisors (259997334).

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

136143210 is a wasteful number, since it uses less digits than its factorization.

136143210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 136143210 is about 11668.0422522375. The cubic root of 136143210 is about 514.4367612986.

Adding to 136143210 its reverse (12341631), we get a palindrome (148484841).

The spelling of 136143210 in words is "one hundred thirty-six million, one hundred forty-three thousand, two hundred ten".