136709070 has 64 divisors (see below), whose sum is σ = 358649856. Its totient is φ = 33200640.

The previous prime is 136709059. The next prime is 136709081. The reversal of 136709070 is 70907631.

136709070 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (136709059) and next prime (136709081).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11487 + ... + 20133.

It is an arithmetic number, because the mean of its divisors is an integer number (5603904).

Almost surely, 2^136709070 is an apocalyptic number.

136709070 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 136709070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179324928).

136709070 is an abundant number, since it is smaller than the sum of its proper divisors (221940786).

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

136709070 is a wasteful number, since it uses less digits than its factorization.

136709070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8705.

The product of its (nonzero) digits is 7938, while the sum is 33.

The square root of 136709070 is about 11692.2653921300. The cubic root of 136709070 is about 515.1485040050.

The spelling of 136709070 in words is "one hundred thirty-six million, seven hundred nine thousand, seventy".