136771936 has 96 divisors (see below), whose sum is σ = 332942400. Its totient is φ = 55093248.

The previous prime is 136771933. The next prime is 136771951. The reversal of 136771936 is 639177631.

It is a junction number, because it is equal to n+sod(n) for n = 136771892 and 136771901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136771933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186226 + ... + 186958.

It is an arithmetic number, because the mean of its divisors is an integer number (3468150).

Almost surely, 2^136771936 is an apocalyptic number.

136771936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136771936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166471200).

136771936 is an abundant number, since it is smaller than the sum of its proper divisors (196170464).

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

136771936 is an equidigital number, since it uses as much as digits as its factorization.

136771936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781 (or 759 counting only the distinct ones).

The product of its digits is 142884, while the sum is 43.

The square root of 136771936 is about 11694.9534415491. The cubic root of 136771936 is about 515.2274560037.

The spelling of 136771936 in words is "one hundred thirty-six million, seven hundred seventy-one thousand, nine hundred thirty-six".