136618248436 has 24 divisors (see below), whose sum is σ = 247605160320. Its totient is φ = 65879231712.

The previous prime is 136618248433. The next prime is 136618248457. The reversal of 136618248436 is 634842816631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136618248433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 561000 + ... + 766783.

It is an arithmetic number, because the mean of its divisors is an integer number (10316881680).

Almost surely, 2^136618248436 is an apocalyptic number.

It is an amenable number.

136618248436 is a deficient number, since it is larger than the sum of its proper divisors (110986911884).

136618248436 is a wasteful number, since it uses less digits than its factorization.

136618248436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328703 (or 1328701 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 52.

The spelling of 136618248436 in words is "one hundred thirty-six billion, six hundred eighteen million, two hundred forty-eight thousand, four hundred thirty-six".