136341940 has 48 divisors (see below), whose sum is σ = 329357952. Its totient is φ = 46440576.

The previous prime is 136341911. The next prime is 136341943. The reversal of 136341940 is 49143631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136341943) 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, 18879 + ... + 25081.

It is an arithmetic number, because the mean of its divisors is an integer number (6861624).

Almost surely, 2^136341940 is an apocalyptic number.

136341940 is a gapful number since it is divisible by the number (10) 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 136341940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164678976).

136341940 is an abundant number, since it is smaller than the sum of its proper divisors (193016012).

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

136341940 is a wasteful number, since it uses less digits than its factorization.

136341940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6376 (or 6374 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 136341940 is about 11676.5551426780. Note that the first 3 decimals coincide. The cubic root of 136341940 is about 514.6869495960.

The spelling of 136341940 in words is "one hundred thirty-six million, three hundred forty-one thousand, nine hundred forty".