136202040 has 256 divisors, whose sum is σ = 498960000. Its totient is φ = 32845824.

The previous prime is 136202023. The next prime is 136202047. The reversal of 136202040 is 40202631.

It is a happy number.

136202040 is a `hidden beast` number, since 1 + 3 + 620 + 2 + 0 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136202047) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1249506 + ... + 1249614.

Almost surely, 2^136202040 is an apocalyptic number.

136202040 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 136202040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249480000).

136202040 is an abundant number, since it is smaller than the sum of its proper divisors (362757960).

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

136202040 is a wasteful number, since it uses less digits than its factorization.

136202040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 136202040 is about 11670.5629684262. The cubic root of 136202040 is about 514.5108498422.

Adding to 136202040 its reverse (40202631), we get a palindrome (176404671).

The spelling of 136202040 in words is "one hundred thirty-six million, two hundred two thousand, forty".