136842020 has 48 divisors (see below), whose sum is σ = 329524608. Its totient is φ = 46759680.

The previous prime is 136842001. The next prime is 136842037. The reversal of 136842020 is 20248631.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44864 + ... + 47816.

It is an arithmetic number, because the mean of its divisors is an integer number (6865096).

Almost surely, 2^136842020 is an apocalyptic number.

136842020 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 136842020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164762304).

136842020 is an abundant number, since it is smaller than the sum of its proper divisors (192682588).

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

136842020 is a wasteful number, since it uses less digits than its factorization.

136842020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3300 (or 3298 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 136842020 is about 11697.9493929492. The cubic root of 136842020 is about 515.3154444127.

The spelling of 136842020 in words is "one hundred thirty-six million, eight hundred forty-two thousand, twenty".