136849548 has 54 divisors (see below), whose sum is σ = 352130268. Its totient is φ = 41334480.

The previous prime is 136849519. The next prime is 136849549. The reversal of 136849548 is 845948631.

It is a junction number, because it is equal to n+sod(n) for n = 136849497 and 136849506.

It is not an unprimeable number, because it can be changed into a prime (136849549) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 445611 + ... + 445917.

Almost surely, 2^136849548 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136849548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176065134).

136849548 is an abundant number, since it is smaller than the sum of its proper divisors (215280720).

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

136849548 is a wasteful number, since it uses less digits than its factorization.

136849548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643 (or 323 counting only the distinct ones).

The product of its digits is 829440, while the sum is 48.

The square root of 136849548 is about 11698.2711543202. The cubic root of 136849548 is about 515.3248938093.

Multiplying 136849548 by its sum of digits (48), we get a square (6568778304 = 81048²).

It can be divided in two parts, 13684 and 9548, that added together give a palindrome (23232).

The spelling of 136849548 in words is "one hundred thirty-six million, eight hundred forty-nine thousand, five hundred forty-eight".