136340022 has 64 divisors (see below), whose sum is σ = 340429824. Its totient is φ = 35441280.

The previous prime is 136340003. The next prime is 136340023. The reversal of 136340022 is 220043631.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136340023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37008 + ... + 40524.

It is an arithmetic number, because the mean of its divisors is an integer number (5319216).

Almost surely, 2^136340022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136340022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170214912).

136340022 is an abundant number, since it is smaller than the sum of its proper divisors (204089802).

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

136340022 is a wasteful number, since it uses less digits than its factorization.

136340022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3613.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 136340022 is about 11676.4730120015. The cubic root of 136340022 is about 514.6845361195.

Adding to 136340022 its reverse (220043631), we get a palindrome (356383653).

The spelling of 136340022 in words is "one hundred thirty-six million, three hundred forty thousand, twenty-two".