136020120 has 32 divisors (see below), whose sum is σ = 408060720. Its totient is φ = 36272000.

The previous prime is 136020089. The next prime is 136020127. The reversal of 136020120 is 21020631.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 136020120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136020127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 566631 + ... + 566870.

Almost surely, 2^136020120 is an apocalyptic number.

136020120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136020120 is an abundant number, since it is smaller than the sum of its proper divisors (272040600).

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

136020120 is a wasteful number, since it uses less digits than its factorization.

136020120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133515 (or 1133511 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 136020120 is about 11662.7663956713. The cubic root of 136020120 is about 514.2816767761.

Adding to 136020120 its reverse (21020631), we get a palindrome (157040751).

The spelling of 136020120 in words is "one hundred thirty-six million, twenty thousand, one hundred twenty".