136258940 has 24 divisors (see below), whose sum is σ = 290176992. Its totient is φ = 53735360.

The previous prime is 136258939. The next prime is 136258943. The reversal of 136258940 is 49852631.

It is a happy number.

136258940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 136258894 and 136258903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136258943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46559 + ... + 49398.

It is an arithmetic number, because the mean of its divisors is an integer number (12090708).

Almost surely, 2^136258940 is an apocalyptic number.

136258940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136258940 is an abundant number, since it is smaller than the sum of its proper divisors (153918052).

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

136258940 is a wasteful number, since it uses less digits than its factorization.

136258940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96037 (or 96035 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 136258940 is about 11673.0004711728. Note that the first 3 decimals coincide. The cubic root of 136258940 is about 514.5824875150.

The spelling of 136258940 in words is "one hundred thirty-six million, two hundred fifty-eight thousand, nine hundred forty".