40013135000 has 40 divisors (see below), whose sum is σ = 93750787020. Its totient is φ = 16005252000.

The previous prime is 40013134927. The next prime is 40013135009. The reversal of 40013135000 is 53131004.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 40013135000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40013135009) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3996314 + ... + 4006313.

Almost surely, 2^40013135000 is an apocalyptic number.

40013135000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40013135000 is an abundant number, since it is smaller than the sum of its proper divisors (53737652020).

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

40013135000 is an equidigital number, since it uses as much as digits as its factorization.

40013135000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8002653 (or 8002634 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

Adding to 40013135000 its reverse (53131004), we get a palindrome (40066266004).

The spelling of 40013135000 in words is "forty billion, thirteen million, one hundred thirty-five thousand".