136342540040 has 128 divisors (see below), whose sum is σ = 370487174400. Its totient is φ = 44112936960.

The previous prime is 136342540003. The next prime is 136342540049. The reversal of 136342540040 is 40045243631.

It is a junction number, because it is equal to n+sod(n) for n = 136342539979 and 136342540006.

It is not an unprimeable number, because it can be changed into a prime (136342540049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1317380 + ... + 1417100.

It is an arithmetic number, because the mean of its divisors is an integer number (2894431050).

Almost surely, 2^136342540040 is an apocalyptic number.

136342540040 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 136342540040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185243587200).

136342540040 is an abundant number, since it is smaller than the sum of its proper divisors (234144634360).

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

136342540040 is a wasteful number, since it uses less digits than its factorization.

136342540040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100015 (or 100011 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 136342540040 its reverse (40045243631), we get a palindrome (176387783671).

The spelling of 136342540040 in words is "one hundred thirty-six billion, three hundred forty-two million, five hundred forty thousand, forty".