136376020 has 48 divisors (see below), whose sum is σ = 313746048. Its totient is φ = 49381760.

The previous prime is 136376003. The next prime is 136376027. The reversal of 136376020 is 20673631.

It is a self number, because there is not a number n which added to its sum of digits gives 136376020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136376027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56682 + ... + 59038.

It is an arithmetic number, because the mean of its divisors is an integer number (6536376).

Almost surely, 2^136376020 is an apocalyptic number.

136376020 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 136376020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156873024).

136376020 is an abundant number, since it is smaller than the sum of its proper divisors (177370028).

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

136376020 is a wasteful number, since it uses less digits than its factorization.

136376020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2640 (or 2638 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 136376020 is about 11678.0143860161. The cubic root of 136376020 is about 514.7298297007.

The spelling of 136376020 in words is "one hundred thirty-six million, three hundred seventy-six thousand, twenty".