136945434 has 8 divisors (see below), whose sum is σ = 273890880. Its totient is φ = 45648476.

The previous prime is 136945433. The next prime is 136945447. The reversal of 136945434 is 434549631.

It is a sphenic number, since it is the product of 3 distinct primes.

136945434 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 136945392 and 136945401.

It is not an unprimeable number, because it can be changed into a prime (136945433) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 11412114 + ... + 11412125.

It is an arithmetic number, because the mean of its divisors is an integer number (34236360).

Almost surely, 2^136945434 is an apocalyptic number.

136945434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

136945434 is a wasteful number, since it uses less digits than its factorization.

136945434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22824244.

The product of its digits is 155520, while the sum is 39.

The square root of 136945434 is about 11702.3687345768. The cubic root of 136945434 is about 515.4452228066.

The spelling of 136945434 in words is "one hundred thirty-six million, nine hundred forty-five thousand, four hundred thirty-four".