136718430 has 32 divisors (see below), whose sum is σ = 332083584. Its totient is φ = 36018336.

The previous prime is 136718423. The next prime is 136718431. The reversal of 136718430 is 34817631.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 136718391 and 136718400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136718431) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 24964 + ... + 29943.

It is an arithmetic number, because the mean of its divisors is an integer number (10377612).

Almost surely, 2^136718430 is an apocalyptic number.

136718430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136718430 is an abundant number, since it is smaller than the sum of its proper divisors (195365154).

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

136718430 is a wasteful number, since it uses less digits than its factorization.

136718430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55000.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 136718430 is about 11692.6656498850. The cubic root of 136718430 is about 515.1602605523.

The spelling of 136718430 in words is "one hundred thirty-six million, seven hundred eighteen thousand, four hundred thirty".