136000040 has 32 divisors (see below), whose sum is σ = 333819360. Its totient is φ = 49454400.

The previous prime is 136000027. The next prime is 136000091. The reversal of 136000040 is 40000631.

It is a junction number, because it is equal to n+sod(n) for n = 135999979 and 136000024.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154106 + ... + 154985.

It is an arithmetic number, because the mean of its divisors is an integer number (10431855).

Almost surely, 2^136000040 is an apocalyptic number.

136000040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136000040 is an abundant number, since it is smaller than the sum of its proper divisors (197819320).

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

136000040 is a wasteful number, since it uses less digits than its factorization.

136000040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309113 (or 309109 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 136000040 is about 11661.9055046763. The cubic root of 136000040 is about 514.2563685489.

Adding to 136000040 its reverse (40000631), we get a palindrome (176000671).

The spelling of 136000040 in words is "one hundred thirty-six million, forty", and thus it is an aban number.