136038780 has 36 divisors (see below), whose sum is σ = 412651512. Its totient is φ = 36276960.

The previous prime is 136038733. The next prime is 136038781. The reversal of 136038780 is 87830631.

136038780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136038781) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 377706 + ... + 378065.

It is an arithmetic number, because the mean of its divisors is an integer number (11462542).

Almost surely, 2^136038780 is an apocalyptic number.

136038780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136038780 is an abundant number, since it is smaller than the sum of its proper divisors (276612732).

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

136038780 is a wasteful number, since it uses less digits than its factorization.

136038780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755786 (or 755781 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 136038780 is about 11663.5663499635. The cubic root of 136038780 is about 514.3051930453.

The spelling of 136038780 in words is "one hundred thirty-six million, thirty-eight thousand, seven hundred eighty".