136811370 has 64 divisors (see below), whose sum is σ = 341462016. Its totient is φ = 35043840.

The previous prime is 136811347. The next prime is 136811399. The reversal of 136811370 is 73118631.

136811370 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×136811370² = 37434701922553800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145542 + ... + 146478.

It is an arithmetic number, because the mean of its divisors is an integer number (5335344).

Almost surely, 2^136811370 is an apocalyptic number.

136811370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 136811370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170731008).

136811370 is an abundant number, since it is smaller than the sum of its proper divisors (204650646).

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

136811370 is a wasteful number, since it uses less digits than its factorization.

136811370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 136811370 is about 11696.6392609159. The cubic root of 136811370 is about 515.2769679328.

It can be divided in two parts, 13681 and 1370, that added together give a palindrome (15051).

The spelling of 136811370 in words is "one hundred thirty-six million, eight hundred eleven thousand, three hundred seventy".