136736894 has 16 divisors (see below), whose sum is σ = 234780768. Its totient is φ = 58507872.

The previous prime is 136736891. The next prime is 136736911. The reversal of 136736894 is 498637631.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136736891) 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 7 ways as a sum of consecutive naturals, for example, 1664 + ... + 16620.

It is an arithmetic number, because the mean of its divisors is an integer number (14673798).

Almost surely, 2^136736894 is an apocalyptic number.

136736894 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

136736894 is a deficient number, since it is larger than the sum of its proper divisors (98043874).

136736894 is a wasteful number, since it uses less digits than its factorization.

136736894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15619.

The product of its digits is 653184, while the sum is 47.

The square root of 136736894 is about 11693.4551780045. The cubic root of 136736894 is about 515.1834505272.

The spelling of 136736894 in words is "one hundred thirty-six million, seven hundred thirty-six thousand, eight hundred ninety-four".