136969434 has 32 divisors (see below), whose sum is σ = 347859840. Its totient is φ = 39134016.

The previous prime is 136969411. The next prime is 136969451. The reversal of 136969434 is 434969631.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 136969434.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180799 + ... + 181554.

It is an arithmetic number, because the mean of its divisors is an integer number (10870620).

Almost surely, 2^136969434 is an apocalyptic number.

136969434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

136969434 is an abundant number, since it is smaller than the sum of its proper divisors (210890406).

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

136969434 is a wasteful number, since it uses less digits than its factorization.

136969434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362371 (or 362365 counting only the distinct ones).

The product of its digits is 419904, while the sum is 45.

The square root of 136969434 is about 11703.3941230739. The cubic root of 136969434 is about 515.4753320319.

The spelling of 136969434 in words is "one hundred thirty-six million, nine hundred sixty-nine thousand, four hundred thirty-four".