136837836 has 30 divisors (see below), whose sum is σ = 357721980. Its totient is φ = 45612504.

The previous prime is 136837819. The next prime is 136837847. The reversal of 136837836 is 638738631.

It is a super-2 number, since 2×136837836² = 37449186722325792, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 136837791 and 136837800.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 210846 + ... + 211493.

It is an arithmetic number, because the mean of its divisors is an integer number (11924066).

Almost surely, 2^136837836 is an apocalyptic number.

It is an amenable number.

136837836 is an abundant number, since it is smaller than the sum of its proper divisors (220884144).

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

136837836 is a wasteful number, since it uses less digits than its factorization.

136837836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422355 (or 422344 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 136837836 is about 11697.7705568198. The cubic root of 136837836 is about 515.3101923666.

It can be divided in two parts, 1368 and 37836, that added together give a square (39204 = 198²).

The spelling of 136837836 in words is "one hundred thirty-six million, eight hundred thirty-seven thousand, eight hundred thirty-six".