136993030704 has 120 divisors (see below), whose sum is σ = 402058172880. Its totient is φ = 45151147008.

The previous prime is 136993030703. The next prime is 136993030711. The reversal of 136993030704 is 407030399631.

It is a happy number.

It is a super-2 number, since 2×136993030704² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 136993030704.

It is not an unprimeable number, because it can be changed into a prime (136993030703) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 148084 + ... + 543980.

It is an arithmetic number, because the mean of its divisors is an integer number (3350484774).

Almost surely, 2^136993030704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136993030704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201029086440).

136993030704 is an abundant number, since it is smaller than the sum of its proper divisors (265065142176).

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

136993030704 is an equidigital number, since it uses as much as digits as its factorization.

136993030704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396009 (or 395991 counting only the distinct ones).

The product of its (nonzero) digits is 367416, while the sum is 45.

It can be divided in two parts, 13699 and 3030704, that added together give a palindrome (3044403).

The spelling of 136993030704 in words is "one hundred thirty-six billion, nine hundred ninety-three million, thirty thousand, seven hundred four".